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	<id>https://number.subwiki.org/w/index.php?action=history&amp;feed=atom&amp;title=2047</id>
	<title>2047 - Revision history</title>
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	<updated>2026-04-30T05:10:57Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://number.subwiki.org/w/index.php?title=2047&amp;diff=664&amp;oldid=prev</id>
		<title>Vipul: /* Properties and families */</title>
		<link rel="alternate" type="text/html" href="https://number.subwiki.org/w/index.php?title=2047&amp;diff=664&amp;oldid=prev"/>
		<updated>2012-01-02T21:32:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Properties and families&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 21:32, 2 January 2012&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l16&quot;&gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[satisfies property::Mersenne number]] &amp;lt;math&amp;gt;M_n = 2^n - 1&amp;lt;/math&amp;gt; || 11, i.e., it is &amp;lt;math&amp;gt;M_{11} = 2^{11} - 1&amp;lt;/math&amp;gt; || {{#lst:Mersenne number|list}} || plug and check&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[satisfies property::Mersenne number]] &amp;lt;math&amp;gt;M_n = 2^n - 1&amp;lt;/math&amp;gt; || 11, i.e., it is &amp;lt;math&amp;gt;M_{11} = 2^{11} - 1&amp;lt;/math&amp;gt; || {{#lst:Mersenne number|list}} || plug and check&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[satisfies property::Poulet number]] (also called Sarrus number), i.e., [[Fermat pseudoprime]] to base 2 || &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;eight &lt;/del&gt;Poulet number || {{#lst:Poulet number|list}} || [[Mersenne number for prime or Poulet implies prime or Poulet]], 11 is prime, but &amp;lt;math&amp;gt;M_{11}&amp;lt;/math&amp;gt; is not prime, hence it must be Poulet.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| [[satisfies property::Poulet number]] (also called Sarrus number), i.e., [[Fermat pseudoprime]] to base 2 || &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;eighth &lt;/ins&gt;Poulet number || {{#lst:Poulet number|list}} || [[Mersenne number for prime or Poulet implies prime or Poulet]], 11 is prime, but &amp;lt;math&amp;gt;M_{11}&amp;lt;/math&amp;gt; is not prime, hence it must be Poulet.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Vipul</name></author>
	</entry>
	<entry>
		<id>https://number.subwiki.org/w/index.php?title=2047&amp;diff=663&amp;oldid=prev</id>
		<title>Vipul: Created page with &quot;{{particular natural number}}  ==Summary==  ===Factorization===  The number 2047 has the following prime factorization:  &lt;math&gt;\! 2047 = 23 * 89&lt;/math&gt;  ===Properties and fami...&quot;</title>
		<link rel="alternate" type="text/html" href="https://number.subwiki.org/w/index.php?title=2047&amp;diff=663&amp;oldid=prev"/>
		<updated>2012-01-02T21:30:35Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;{{particular natural number}}  ==Summary==  ===Factorization===  The number 2047 has the following prime factorization:  &amp;lt;math&amp;gt;\! 2047 = 23 * 89&amp;lt;/math&amp;gt;  ===Properties and fami...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{particular natural number}}&lt;br /&gt;
&lt;br /&gt;
==Summary==&lt;br /&gt;
&lt;br /&gt;
===Factorization===&lt;br /&gt;
&lt;br /&gt;
The number 2047 has the following prime factorization:&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;\! 2047 = 23 * 89&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
===Properties and families===&lt;br /&gt;
&lt;br /&gt;
{| class=&amp;quot;sortable&amp;quot; border=&amp;quot;1&amp;quot;&lt;br /&gt;
! Property or family !! Parameter values !! First few members !! Proof of satisfaction/membership/containment&lt;br /&gt;
|-&lt;br /&gt;
| [[satisfies property::Mersenne number]] &amp;lt;math&amp;gt;M_n = 2^n - 1&amp;lt;/math&amp;gt; || 11, i.e., it is &amp;lt;math&amp;gt;M_{11} = 2^{11} - 1&amp;lt;/math&amp;gt; || {{#lst:Mersenne number|list}} || plug and check&lt;br /&gt;
|-&lt;br /&gt;
| [[satisfies property::Poulet number]] (also called Sarrus number), i.e., [[Fermat pseudoprime]] to base 2 || eight Poulet number || {{#lst:Poulet number|list}} || [[Mersenne number for prime or Poulet implies prime or Poulet]], 11 is prime, but &amp;lt;math&amp;gt;M_{11}&amp;lt;/math&amp;gt; is not prime, hence it must be Poulet.&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>Vipul</name></author>
	</entry>
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