<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article  PUBLIC "-//NLM//DTD Journal Publishing DTD v3.0 20080202//EN" "http://dtd.nlm.nih.gov/publishing/3.0/journalpublishing3.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="3.0" xml:lang="en" article-type="research article"><front><journal-meta><journal-id journal-id-type="publisher-id">JMP</journal-id><journal-title-group><journal-title>Journal of Modern Physics</journal-title></journal-title-group><issn pub-type="epub">2153-1196</issn><publisher><publisher-name>Scientific Research Publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.4236/jmp.2015.611169</article-id><article-id pub-id-type="publisher-id">JMP-59914</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group><subj-group subj-group-type="Discipline-v2"><subject>Physics&amp;Mathematics</subject></subj-group></article-categories><title-group><article-title>
 
 
  Some Numerical Curiosities about the Universe
 
</article-title></title-group><contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>lberto</surname><given-names>Coe</given-names></name><xref ref-type="aff" rid="aff1"><sub>1</sub></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib></contrib-group><aff id="aff1"><label>1</label><addr-line>Independent Researcher, Oviedo, Spain</addr-line></aff><author-notes><corresp id="cor1">* E-mail:<email>albamv8@gmail.com</email></corresp></author-notes><pub-date pub-type="epub"><day>10</day><month>09</month><year>2015</year></pub-date><volume>06</volume><issue>11</issue><fpage>1671</fpage><lpage>1678</lpage><history><date date-type="received"><day>7</day>	<month>August</month>	<year>2015</year></date><date date-type="rev-recd"><day>accepted</day>	<month>22</month>	<year>September</year>	</date><date date-type="accepted"><day>25</day>	<month>September</month>	<year>2015</year></date></history><permissions><copyright-statement>&#169; Copyright  2014 by authors and Scientific Research Publishing Inc. </copyright-statement><copyright-year>2014</copyright-year><license><license-p>This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/</license-p></license></permissions><abstract><p>
 
 
  We try briefly the relationship between numbers and some aspects of physical reality. By means of a simple set of mathematical and physical tools what we wanted to find was dimensionless numbers that could fit with a particular symmetry. In this paper we describe a small sheaf of numerical results.
 
</p></abstract><kwd-group><kwd>Universe</kwd><kwd> Numerology</kwd></kwd-group></article-meta></front><body><sec id="s1"><title>1. Introduction</title><p>In his book “Philosophy of Physics” [<xref ref-type="bibr" rid="scirp.59914-ref1">1</xref>] Mario Bunge states that every physical hypothesis must be expressed mathematically. But mathematical form alone won’t tell us anything about the physical meaning of the formula. By itself mathematical theories are neutral with respect to any hypotheses about the actual world. Numerology can be defined as the juggling with dimensionless constants with a view to producing significant relations. Number games can occasionally lead to insights and even spark a theory proper.</p><p>Also it’s known that P.A. Dirac, inspired by Eddington, Milne and others suggested a reconsideration of Cosmology based on the large dimensionless numbers that could be constructed from the fundamental constants of nature. Namely, all very large numbers occurring in nature are interconnected [<xref ref-type="bibr" rid="scirp.59914-ref2">2</xref>] .</p><p>Besides, there is the issue of reality’s stuff: Is it continuous or discrete? We assume that spacetime is granu- lar.</p></sec><sec id="s2"><title>2. Method</title><p>We’ll analyze relationship among physical constants using a simple tool-kit of mathematical and physical concepts described as defined below.</p><p>I. Symmetry (ng + mj) where n, m are natural numbers. And the ratio <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x5.png" xlink:type="simple"/></inline-formula></p><p>II. Series <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x6.png" xlink:type="simple"/></inline-formula> including series having the same symmetry.</p><p>III. As for the subject of the discreteness of space-time, we’ll apply Avogadro’s number [<xref ref-type="bibr" rid="scirp.59914-ref3">3</xref>]</p><disp-formula id="scirp.59914-formula908"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x7.png"  xlink:type="simple"/></disp-formula><p>IV. An item called “sit”, associated with the topic III, representing a space-time size, arbitrarily very small.</p><p>Define <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x8.png" xlink:type="simple"/></inline-formula></p><p>(By the way you can obtain a good approximation to the number p using properly topics I and II, as we described in a paper time ago).</p></sec><sec id="s3"><title>3. Some Selected Results</title><p>Without further delay we will describe some examples of the matter at hand.</p><sec id="s3_1"><title>3.1. A Geometric Beginning</title><p>Start looking back on the topics I and II. Assign specific values to each</p><disp-formula id="scirp.59914-formula909"><label>(1)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x9.png"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.59914-formula910"><label>(2)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x10.png"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.59914-formula911"><label>(3)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x11.png"  xlink:type="simple"/></disp-formula><p>will include two concepts more:</p><p>Euler’s number e = 2.7182818…</p><p>And Neutron-Proton mass ratio [<xref ref-type="bibr" rid="scirp.59914-ref4">4</xref>]</p><disp-formula id="scirp.59914-formula912"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x12.png"  xlink:type="simple"/></disp-formula><p>Obtaining the following equation of evolution</p><disp-formula id="scirp.59914-formula913"><label>(4)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x13.png"  xlink:type="simple"/></disp-formula><p>Resulting volume <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x14.png" xlink:type="simple"/></inline-formula> to define in paragraph 3. Now, it is easy to see that</p><disp-formula id="scirp.59914-formula914"><label>(5)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x15.png"  xlink:type="simple"/></disp-formula><p>This new volume <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x16.png" xlink:type="simple"/></inline-formula> is defined as follow</p><disp-formula id="scirp.59914-formula915"><label>(6)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x17.png"  xlink:type="simple"/></disp-formula><p>Therefore the evolution from the Torus <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x18.png" xlink:type="simple"/></inline-formula> to the Torus <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x19.png" xlink:type="simple"/></inline-formula></p><disp-formula id="scirp.59914-formula916"><label>(7)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x20.png"  xlink:type="simple"/></disp-formula></sec><sec id="s3_2"><title>3.2. Vacuum Expectation Value of the Higgs Field</title><p>The Higgs field has a nonzero expectation value</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x21.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref5">5</xref>] .</p><p>The energy in electron volts of a photon after Planck equation [<xref ref-type="bibr" rid="scirp.59914-ref6">6</xref>] reads</p><disp-formula id="scirp.59914-formula917"><label>(8)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x22.png"  xlink:type="simple"/></disp-formula><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x23.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref7">7</xref>] .</p><p>Assign a specific frequency</p><disp-formula id="scirp.59914-formula918"><label>(9)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x24.png"  xlink:type="simple"/></disp-formula><p>The resulting equation relates the volume of a particular Torus <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x25.png" xlink:type="simple"/></inline-formula> with the Higs vacuum value and the energy in eV of a photon at a specific frequency mode of vibration</p><disp-formula id="scirp.59914-formula919"><label>(10)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x26.png"  xlink:type="simple"/></disp-formula><p>Now it’s interesting to see the following numerical equivalence</p><disp-formula id="scirp.59914-formula920"><label>(11)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x27.png"  xlink:type="simple"/></disp-formula><p>Therefore rearranging the equation for the evolution described above</p><disp-formula id="scirp.59914-formula921"><label>(12)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x28.png"  xlink:type="simple"/></disp-formula></sec><sec id="s3_3"><title>3.3. A Light Beam Travels Three Spatial Axes for a Specified Period of Time; the Resulting Spatial Volume Is Equal to the Volume of a Particular Torus</title><p>Volume inside a Torus</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x29.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref8">8</xref>] .</p><p>Suppose:</p><disp-formula id="scirp.59914-formula922"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x30.png"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.59914-formula923"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x31.png"  xlink:type="simple"/></disp-formula><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x32.png" xlink:type="simple"/></inline-formula>refers to length dimension associated to Avogadro’s number.</p><p>Therefore the volume of this particular Torus is defined as follow</p><disp-formula id="scirp.59914-formula924"><label>(13)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x33.png"  xlink:type="simple"/></disp-formula><p>The distance light travels in one second in vacuum</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x34.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref9">9</xref>] .</p><p>Write three spatial axes light will travel</p><disp-formula id="scirp.59914-formula925"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x35.png"  xlink:type="simple"/></disp-formula><p>Duration of travel in each of the axes</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x36.png" xlink:type="simple"/></inline-formula> ,<inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x36.png" xlink:type="simple"/></inline-formula><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x37.png" xlink:type="simple"/></inline-formula> and<inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x36.png" xlink:type="simple"/></inline-formula><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x37.png" xlink:type="simple"/></inline-formula><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x38.png" xlink:type="simple"/></inline-formula>.</p><p>(It’s worth to say that according to the most recent data from the cosmic microwave background (CMB), the age of the universe is around 10<sup>17</sup> seconds [<xref ref-type="bibr" rid="scirp.59914-ref10">10</xref>] ).</p><p>Consequently</p><disp-formula id="scirp.59914-formula926"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x39.png"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.59914-formula927"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x40.png"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.59914-formula928"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x41.png"  xlink:type="simple"/></disp-formula><p>Therefore polyhedron’s volume</p><disp-formula id="scirp.59914-formula929"><label>(14)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x42.png"  xlink:type="simple"/></disp-formula><p>A simple arithmetic operation shows that</p><disp-formula id="scirp.59914-formula930"><label>(15)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x43.png"  xlink:type="simple"/></disp-formula><p>The results of paragraphs 1, 2 and 3 lead us to write the schematic sequence of evolution</p><disp-formula id="scirp.59914-formula931"><label>(16)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x44.png"  xlink:type="simple"/></disp-formula></sec><sec id="s3_4"><title>3.4. Relationship among <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x45.png" xlink:type="simple"/></inline-formula> and Proton Compton Wavelength <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x45.png" xlink:type="simple"/></inline-formula><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x46.png" xlink:type="simple"/></inline-formula></title><p>Proton Compton wavelength <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x47.png" xlink:type="simple"/></inline-formula> is equivalent to the wavelength of a photon whose energy is the same as the rest-mass energy of the particle.</p><p>The Compton wavelength of the proton</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x48.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref11">11</xref>] .</p><p>Relationship between <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x49.png" xlink:type="simple"/></inline-formula> and Avogadro’s number reads</p><disp-formula id="scirp.59914-formula932"><label>(17)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x50.png"  xlink:type="simple"/></disp-formula><p>Now, consider a sphere whose radius is equal to <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x51.png" xlink:type="simple"/></inline-formula></p><disp-formula id="scirp.59914-formula933"><label>(18)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x52.png"  xlink:type="simple"/></disp-formula><p>And the volumen inside a Torus defined in Equation (13)</p><disp-formula id="scirp.59914-formula934"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x53.png"  xlink:type="simple"/></disp-formula><p>Trying to abreviate symbols</p><disp-formula id="scirp.59914-formula935"><label>(19)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x54.png"  xlink:type="simple"/></disp-formula><p>Now will write the resulting formula</p><disp-formula id="scirp.59914-formula936"><label>(20)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x55.png"  xlink:type="simple"/></disp-formula><p>(it is assumed that the volume units are canceled on both sides of the equation).</p></sec><sec id="s3_5"><title>3.5. Einstein’s Gravitational Constant</title><p>Einstein’s constant denoted K (kappa) is a coupling constant that appears in his field equations, whose value is given by</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x56.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref12">12</xref>] .</p><p>Write the volume of a particular torus</p><disp-formula id="scirp.59914-formula937"><label>(21)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x57.png"  xlink:type="simple"/></disp-formula><p>will apply the atomic mass constant</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x58.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref13">13</xref>] .</p><p>Consider a system whose mass is</p><disp-formula id="scirp.59914-formula938"><label>(22)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x59.png"  xlink:type="simple"/></disp-formula><p>and whose acceleration is equal to</p><disp-formula id="scirp.59914-formula939"><label>(23)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x60.png"  xlink:type="simple"/></disp-formula><p>Therefore the system acquires a force</p><disp-formula id="scirp.59914-formula940"><label>(24)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x61.png"  xlink:type="simple"/></disp-formula><p>It’s easy to check that Einstein’s gravitational constant units are given by</p><disp-formula id="scirp.59914-formula941"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x62.png"  xlink:type="simple"/></disp-formula><p>Apply an arbitrary value to the fourth method’s topic associated with the time dimension</p><disp-formula id="scirp.59914-formula942"><label>(25)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x63.png"  xlink:type="simple"/></disp-formula><p>Now, will arrange all the concepts in the following formula</p><disp-formula id="scirp.59914-formula943"><label>(26)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x64.png"  xlink:type="simple"/></disp-formula></sec><sec id="s3_6"><title>3.6. Today Energy Density</title><p>The energy density of Cosmic microwave background (CMB) in the current epoch, at a temperature T<sub>0</sub> = 2.726 K</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x65.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref14">14</xref>] .</p><p>Looking for a dimensionless number, write the following equation</p><disp-formula id="scirp.59914-formula944"><label>(27)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x66.png"  xlink:type="simple"/></disp-formula><p>h refers to Planck constant</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x67.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref15">15</xref>] .</p><p>The letter e refers to the Euler’s number = 2.7182818…</p><p>As for Torus volume in Equation (27) let’s rewrite Equation (13)</p><disp-formula id="scirp.59914-formula945"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x68.png"  xlink:type="simple"/></disp-formula><p>The quantity 10<sup>92</sup> could be written differently:</p><disp-formula id="scirp.59914-formula946"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x69.png"  xlink:type="simple"/></disp-formula><p>As for the CMB, the spectral radiance peaks at</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x70.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref16">16</xref>]</p><p>in the microwave range of frequencies.</p><p>We should also mention the ratio between <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x71.png" xlink:type="simple"/></inline-formula> and Euler’s number</p><disp-formula id="scirp.59914-formula947"><label>(28)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x72.png"  xlink:type="simple"/></disp-formula></sec><sec id="s3_7"><title>3.7. Black Hole Entropy</title><p>Starts with Bekensteing-Hawking equation [<xref ref-type="bibr" rid="scirp.59914-ref17">17</xref>] describing the entropy of a black hole</p><disp-formula id="scirp.59914-formula948"><label>(29)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x73.png"  xlink:type="simple"/></disp-formula><p>C refers to speed of light in vacuum (already referenced in paragraph 3).</p><p>Newtonian constant of gravitation</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x74.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref18">18</xref>]</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x75.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref19">19</xref>]</p><p>Write the surface’s area of a torus</p><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x76.png" xlink:type="simple"/></inline-formula>[<xref ref-type="bibr" rid="scirp.59914-ref20">20</xref>] .</p><p>Define a certain dimension of length associated to Avogadro’s constant</p><disp-formula id="scirp.59914-formula949"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x77.png"  xlink:type="simple"/></disp-formula><p>which is equivalent to the Planck scale [<xref ref-type="bibr" rid="scirp.59914-ref21">21</xref>] .</p><p>Assign to the larger radius of the torus the value</p><disp-formula id="scirp.59914-formula950"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x78.png"  xlink:type="simple"/></disp-formula><p><inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x79.png" xlink:type="simple"/></inline-formula>refers to an Avogadro’s number “collapsed”. (This is intended to symbolize the collapse of a huge star into a black hole)</p><disp-formula id="scirp.59914-formula951"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x80.png"  xlink:type="simple"/></disp-formula><p>As for the smallest radius</p><disp-formula id="scirp.59914-formula952"><graphic  xlink:href="http://html.scirp.org/file/22-7502390x81.png"  xlink:type="simple"/></disp-formula><p>Now write the area of this particular torus</p><disp-formula id="scirp.59914-formula953"><label>(30)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x82.png"  xlink:type="simple"/></disp-formula><p>Summarize the formula for entropy</p><disp-formula id="scirp.59914-formula954"><label>(31)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x83.png"  xlink:type="simple"/></disp-formula><p>Symbol <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x84.png" xlink:type="simple"/></inline-formula> (Greek capital letter theta with subscript 2) stands for torus surface as was described above. We found</p><disp-formula id="scirp.59914-formula955"><label>(32)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x85.png"  xlink:type="simple"/></disp-formula><p>which in other way reads</p><disp-formula id="scirp.59914-formula956"><label>(33)</label><graphic position="anchor" xlink:href="http://html.scirp.org/file/22-7502390x86.png"  xlink:type="simple"/></disp-formula><p>α is the fine-structure constant [<xref ref-type="bibr" rid="scirp.59914-ref22">22</xref>] , dimensionless value associated to electromagnetic interaction, equal to 0.007297353… (at zero energy).</p></sec></sec><sec id="s4"><title>4. Discussion</title><p>Since the aim of this paper is only to review some numerical approaches to the physical constants and the physical amounts that defines the universe and reality, nobody should have to wait a theory nor one set of predictions.</p><p>We found interesting review the numerical equivalence described by Equation (13) because the accuracy of significant digits between the constants involved in both volumes. Still more when proton Compton wavelength fits numerically (20).</p><p>The above considerations are also valid for the material developed under paragraph 5, while recognizing greater freedom (arbitrariness) in the use of the “sit”.</p><p>We think appropriate to briefly comment the numerical connection among Equations (13), (20) and (26). It allow us to note a numerical linkage between one parameter belonging to Quantum mechanics, i.e. proton Compton wavelength <inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x87.png" xlink:type="simple"/></inline-formula> with another one parameter associated with General relativity as Einstein’s gravitational constant (k).</p><p>As for the items 1 and 2, considering the assumptions or theories about cosmic inflation and related matters, we have seen curious the sequence (16). Of course always from a numerical point of view.</p><p>Under the heading 6, we review two subjects. On one side is the number of photons in the Universe. Although it is still a speculative matter, estimations range around 10<sup>90</sup>, hence we have seen interesting the value obtained in the Equation (27) related to the Avogadros number i.e.<inline-formula><inline-graphic xlink:href="http://html.scirp.org/file/22-7502390x88.png" xlink:type="simple"/></inline-formula>. On the other hand it should be noted that Euler’s number come on the scene spontaneously while we operated with other values.</p><p>Finally, the matter of black hole entropy shows high numerical accuracy. Although we have chosen arbitrarily the type of Surface and the value of the “sit”. As the values of speed of light and Planck constant are very accurate, we would have a more accurate value of G, the Newtonian constant of gravitation.</p></sec><sec id="s5"><title>5. Conclusion</title><p>As for the numerology applied to Physics and Cosmology we have selected a little set of subjects. In our view they are numerically interesting. Maybe someone can see in it some kind of theoretical inspiration.</p></sec><sec id="s6"><title>Acknowledgements</title><p>We want to thank Kelly Sang and Freya Zhang for helpful recommendations in the correct edition of this paper.</p></sec><sec id="s7"><title>Cite this paper</title><p>AlbertoCoe, (2015) Some Numerical Curiosities about the Universe. 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