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class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> </div> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="wikibase-title "> <span class="wikibase-title-label">pentagonal number</span> <span class="wikibase-title-id">(Q674928)</span> </span></h1> <div id="bodyContent" class="vector-body"> <div id="siteSub" class="noprint">From Wikidata</div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="contentSub2"></div> <div id="jump-to-nav"></div> <a class="mw-jump-link" href="#mw-head">Jump to navigation</a> <a class="mw-jump-link" href="#searchInput">Jump to search</a> <div id="mw-content-text" class="mw-body-content"><div id="wb-item-Q674928" class="wikibase-entityview wb-item" lang="en" dir="ltr"> <div class="wikibase-entityview-main"><div class="wikibase-entitytermsview"> <div class="wikibase-entitytermsview-heading"> <div class="wikibase-entitytermsview-heading-description ">polygonal number</div><div class="wikibase-entitytermsview-heading-aliases wb-empty"></div> </div> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetLabelDescriptionAliases/Q674928/en" title=""><span class="wb-icon"></span>edit</a></span></span></span> <div class="wikibase-entitytermsview-entitytermsforlanguagelistview "><table class="wikibase-entitytermsforlanguagelistview"> <thead class="wikibase-entitytermsforlanguagelistview-header"> <tr class="wikibase-entitytermsforlanguagelistview-header-row"> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-language">Language</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-label">Label</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-description">Description</th> <th scope="col" class="wikibase-entitytermsforlanguagelistview-cell wikibase-entitytermsforlanguagelistview-aliases">Also known as</th> </tr> </thead> <tbody class="wikibase-entitytermsforlanguagelistview-listview"><tr class="wikibase-entitytermsforlanguageview wikibase-entitytermsforlanguageview-en" > <th class="wikibase-entitytermsforlanguageview-language">English</th> <td class="wikibase-entitytermsforlanguageview-label"><div class="wikibase-labelview " dir="ltr" lang="en"><div class="wikibase-labelview-container"><span class="wikibase-labelview-text">pentagonal number</span></div></div></td> <td class="wikibase-entitytermsforlanguageview-description"><div class="wikibase-descriptionview " dir="ltr" lang="en"><div class="wikibase-descriptionview-container"><span class="wikibase-descriptionview-text">polygonal number</span></div></div></td> <td class="wikibase-entitytermsforlanguageview-aliases"><div class="wikibase-aliasesview wb-empty"> <ul class="wikibase-aliasesview-list" dir="" lang="en"></ul> </div></td> </tr></tbody> </table></div> </div><div id="toc"></div><h2 class="wb-section-heading section-heading wikibase-statements" dir="auto" id="claims">Statements</h2><div class="wikibase-statementgrouplistview"><div class="wikibase-listview"><div class="wikibase-statementgroupview" id="P31" data-property-id="P31"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P31" href="/wiki/Property:P31">instance of</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$73841D1C-03FF-4320-8A5E-5A23D5319319" class="wikibase-statementview wikibase-statement-Q674928$73841D1C-03FF-4320-8A5E-5A23D5319319 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-6485eb9629427cff59a6662415a5e44b01784f4e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q77358734" href="/wiki/Q77358734">type of integer</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P279" data-property-id="P279"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P279" href="/wiki/Property:P279">subclass of</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$f27ec0f4-4f12-30e7-50a6-d2811be5a34f" class="wikibase-statementview wikibase-statement-Q674928$f27ec0f4-4f12-30e7-50a6-d2811be5a34f wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-49a4a7cbc5046af66290cb3cbe2f66e53be38162"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q836270" href="/wiki/Q836270">polygonal number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-6a342f482db0c7ff3e158e1f666ed122c34f706f"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P156" href="/wiki/Property:P156">followed by</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q1165838" href="/wiki/Q1165838">hexagonal number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-8d73f461213c31f22368d623fd7f9a2d40b65efa"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P155" href="/wiki/Property:P155">follows</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q50705" href="/wiki/Q50705">square number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-ea4583c18f699186700d21642b477a2dc1d345c8"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1545" href="/wiki/Property:P1545">series ordinal</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">5</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P18" data-property-id="P18"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P18" href="/wiki/Property:P18">image</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$02578cd0-4a15-87cc-e47d-110278b4775b" class="wikibase-statementview wikibase-statement-Q674928$02578cd0-4a15-87cc-e47d-110278b4775b wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-fffc4a46a18a9f81732f6f1d7e9c8abdd08e3317"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><div class="thumb"><a class="image" href="https://commons.wikimedia.org/wiki/File:Pentagonal_number.gif"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Pentagonal_number.gif/220px-Pentagonal_number.gif" decoding="async" width="220" height="242" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b5/Pentagonal_number.gif/330px-Pentagonal_number.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/b/b5/Pentagonal_number.gif 2x" data-file-width="362" data-file-height="399" /></span></a></div><div class="commons-media-caption"><a href="https://commons.wikimedia.org/wiki/File:Pentagonal_number.gif">Pentagonal number.gif</a><br>362 × 399; 9 KB</div></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P156" data-property-id="P156"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P156" href="/wiki/Property:P156">followed by</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$2099b1e4-4025-e6be-5c17-4f632764c058" class="wikibase-statementview wikibase-statement-Q674928$2099b1e4-4025-e6be-5c17-4f632764c058 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-6a342f482db0c7ff3e158e1f666ed122c34f706f"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q1165838" href="/wiki/Q1165838">hexagonal number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P2534" data-property-id="P2534"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P2534" href="/wiki/Property:P2534">defining formula</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$08da7708-4b4f-cefb-37e8-7fd26e8d99e7" class="wikibase-statementview wikibase-statement-Q674928$08da7708-4b4f-cefb-37e8-7fd26e8d99e7 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-657ad418c606063b1a2d95b909ca391a862439a2"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle P_{5,n}={\frac {3n^{2}-n}{2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>P</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> <mo>,</mo> <mi>n</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>3</mn> <msup> <mi>n</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <mi>n</mi> </mrow> <mn>2</mn> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle P_{5,n}={\frac {3n^{2}-n}{2}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/253ea308679e564d38c7599ac76f9ea547d3c3ab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:15.771ex; height:5.676ex;" alt="{\displaystyle P_{5,n}={\frac {3n^{2}-n}{2}}}"></span></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-28682e0424a1a2efc1712d08f9f10f67222bf59d"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P1013" href="/wiki/Property:P1013">criterion used</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q836270" href="/wiki/Q836270">polygonal number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-f35a5176a7b1a444be60eee8edf033d25a675c2e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P7235" href="/wiki/Property:P7235">in defining formula</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle n\geq {1},n\in \mathbb {N} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> <mo>≥</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mo>,</mo> <mi>n</mi> <mo>∈</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">N</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n\geq {1},n\in \mathbb {N} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/54b83deb1116a504499761576ccfa48151ad6010" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:12.603ex; height:2.509ex;" alt="{\displaystyle n\geq {1},n\in \mathbb {N} }"></span></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P7235" data-property-id="P7235"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P7235" href="/wiki/Property:P7235">in defining formula</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$0d933a9a-4676-b2d8-7e7c-0e78c3da1df5" class="wikibase-statementview wikibase-statement-Q674928$0d933a9a-4676-b2d8-7e7c-0e78c3da1df5 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-f35a5176a7b1a444be60eee8edf033d25a675c2e"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle n\geq {1},n\in \mathbb {N} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>n</mi> <mo>≥</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mo>,</mo> <mi>n</mi> <mo>∈</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="double-struck">N</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle n\geq {1},n\in \mathbb {N} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/54b83deb1116a504499761576ccfa48151ad6010" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:12.603ex; height:2.509ex;" alt="{\displaystyle n\geq {1},n\in \mathbb {N} }"></span></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"><div class="wikibase-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-35ce81d161fd2c691832597e7548dd72acbf2ff6"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P9758" href="/wiki/Property:P9758">symbol represents</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q21199" href="/wiki/Q21199">natural number</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P6104" data-property-id="P6104"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P6104" href="/wiki/Property:P6104">maintained by WikiProject</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$6E4A8980-E365-40C1-A705-65845730FB96" class="wikibase-statementview wikibase-statement-Q674928$6E4A8980-E365-40C1-A705-65845730FB96 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-a27c5fdb35b42381f12b2a603711e56d98dd77fd"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q8487137" href="/wiki/Q8487137">WikiProject Mathematics</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P373" data-property-id="P373"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P373" href="/wiki/Property:P373">Commons category</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="q674928$92FB70F1-86A0-4E4E-B252-C9AE3FE64896" class="wikibase-statementview wikibase-statement-q674928$92FB70F1-86A0-4E4E-B252-C9AE3FE64896 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-6a60e90d5794eda59a0b9e59e73b2d7b94c30a95"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">Pentagonal numbers</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div></div></div><h2 class="wb-section-heading section-heading wikibase-statements wikibase-statements-identifiers" dir="auto" id="identifiers">Identifiers</h2><div class="wikibase-statementgrouplistview"><div class="wikibase-listview"><div class="wikibase-statementgroupview" id="P646" data-property-id="P646"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P646" href="/wiki/Property:P646">Freebase ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$C8AC09DC-F765-4223-B1D6-8ED61AB32750" class="wikibase-statementview wikibase-statement-Q674928$C8AC09DC-F765-4223-B1D6-8ED61AB32750 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-2c67cbd8a00a42eb2154fef9b58ee603e750ddea"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://www.google.com/search?kgmid=/m/02jf0r" rel="nofollow">/m/02jf0r</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">1 reference</div> <div class="wikibase-statementview-references wikibase-initially-collapsed"><div class="wikibase-listview"><div class="wikibase-referenceview wikibase-referenceview-2b00cb481cddcac7623114367489b5c194901c4a"> <div class="wikibase-referenceview-heading"></div> <div class="wikibase-referenceview-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-a94b740202b097dd33355e0e6c00e54b9395e5e0"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P248" href="/wiki/Property:P248">stated in</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q15241312" href="/wiki/Q15241312">Freebase Data Dumps</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-fde79ecb015112d2f29229ccc1ec514ed3e71fa2"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P577" href="/wiki/Property:P577">publication date</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak">28 October 2013</div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div> </div></div></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P2812" data-property-id="P2812"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P2812" href="/wiki/Property:P2812">MathWorld ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$AB1527B3-63B5-4B48-8879-EDAC46ACFDF6" class="wikibase-statementview wikibase-statement-Q674928$AB1527B3-63B5-4B48-8879-EDAC46ACFDF6 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-ab6d9b337b6db5edffda5fae20840000d830221f"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://mathworld.wolfram.com/PentagonalNumber.html" rel="nofollow">PentagonalNumber</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">1 reference</div> <div class="wikibase-statementview-references wikibase-initially-collapsed"><div class="wikibase-listview"><div class="wikibase-referenceview wikibase-referenceview-c456dc5cd2117249948c288206ff3f8b1bf574f0"> <div class="wikibase-referenceview-heading"></div> <div class="wikibase-referenceview-listview"><div class="wikibase-snaklistview"> <div class="wikibase-snaklistview-listview"><div class="wikibase-snakview wikibase-snakview-e17507043402fe54ae6c4d65cc51f46cec987de9"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"><a title="Property:P143" href="/wiki/Property:P143">imported from Wikimedia project</a></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a title="Q8449" href="/wiki/Q8449">Spanish Wikipedia</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> </div></div> </div></div></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P6366" data-property-id="P6366"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P6366" href="/wiki/Property:P6366">Microsoft Academic ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$50FE3E36-6141-4356-9DDE-020D2CDE8545" class="wikibase-statementview wikibase-statement-Q674928$50FE3E36-6141-4356-9DDE-020D2CDE8545 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-2d8bb19d907a8984792536f6d6b0410151df20f1"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://web.archive.org/web/*/https://academic.microsoft.com/v2/detail/130153862" rel="nofollow">130153862</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div><div class="wikibase-statementgroupview" id="P829" data-property-id="P829"> <div class="wikibase-statementgroupview-property"> <div class="wikibase-statementgroupview-property-label" dir="auto"><a title="Property:P829" href="/wiki/Property:P829">OEIS ID</a></div> </div> <div class="wikibase-statementlistview"> <div class="wikibase-statementlistview-listview"> <div id="Q674928$99555863-451a-aabc-6207-e5cba43f1996" class="wikibase-statementview wikibase-statement-Q674928$99555863-451a-aabc-6207-e5cba43f1996 wb-normal"> <div class="wikibase-statementview-rankselector"><div class="wikibase-rankselector ui-state-disabled"> <span class="ui-icon ui-icon-rankselector wikibase-rankselector-normal" title="Normal rank"></span> </div></div> <div class="wikibase-statementview-mainsnak-container"> <div class="wikibase-statementview-mainsnak" dir="auto"><div class="wikibase-snakview wikibase-snakview-da3de938b792ba3a6ebb4f76818d830b84b48ae9"> <div class="wikibase-snakview-property-container"> <div class="wikibase-snakview-property" dir="auto"></div> </div> <div class="wikibase-snakview-value-container" dir="auto"> <div class="wikibase-snakview-typeselector"></div> <div class="wikibase-snakview-body"> <div class="wikibase-snakview-value wikibase-snakview-variation-valuesnak"><a class="wb-external-id external" href="https://oeis.org/A000326" rel="nofollow">A000326</a></div> <div class="wikibase-snakview-indicators"></div> </div> </div> </div></div> <div class="wikibase-statementview-qualifiers"></div> </div> <span class="wikibase-toolbar-container"></span> <div class="wikibase-statementview-references-container"> <div class="wikibase-statementview-references-heading">0 references</div> <div class="wikibase-statementview-references "></div> </div> </div> </div> <span class="wikibase-toolbar-container"></span> </div> </div></div></div></div> <div class="wikibase-entityview-side"><div class="wikibase-pageImage"> <div class="help"> <span class="wb-help-field-hint wikibase-toolbar-item wikibase-wbtooltip" title="This image is taken from the statements of this Item. You can adjust the image by changing the statement."> </span> </div> </div><h2 class="wb-section-heading section-heading wikibase-sitelinks" dir="auto" id="sitelinks">Sitelinks</h2><div class="wikibase-sitelinkgrouplistview"><div class="wikibase-listview"><div class="wikibase-sitelinkgroupview mw-collapsible" data-wb-sitelinks-group="wikipedia"> <div class="wikibase-sitelinkgroupview-heading-section"> <div class="mw-collapsible-toggle-placeholder"></div> <div class="wikibase-sitelinkgroupview-heading-container"> <h3 class="wb-sitelinks-heading" dir="auto" id="sitelinks-wikipedia">Wikipedia<span class="wikibase-sitelinkgroupview-counter">(27 entries)</span></h3> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetSiteLink/Q674928" title=""><span class="wb-icon"></span>edit</a></span></span></span> </div> </div> <div class="mw-collapsible-content"> <div class="wikibase-sitelinklistview"> <ul class="wikibase-sitelinklistview-listview"><li class="wikibase-sitelinkview wikibase-sitelinkview-arwiki" data-wb-siteid="arwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-arwiki" title="Arabic">arwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-arwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ar"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF_%D9%85%D8%AE%D9%85%D8%B3%D9%8A" hreflang="ar" title="عدد مخمسي">عدد مخمسي</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-cawiki" data-wb-siteid="cawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-cawiki" title="Catalan">cawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-cawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ca"><a href="https://ca.wikipedia.org/wiki/Nombre_pentagonal" hreflang="ca" title="Nombre pentagonal">Nombre pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-cswiki" data-wb-siteid="cswiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-cswiki" title="Czech">cswiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-cswiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="cs"><a href="https://cs.wikipedia.org/wiki/P%C4%9Bti%C3%BAheln%C3%ADkov%C3%A9_%C4%8D%C3%ADslo" hreflang="cs" title="Pětiúhelníkové číslo">Pětiúhelníkové číslo</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-dewiki" data-wb-siteid="dewiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-dewiki" title="German">dewiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-dewiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="de"><a href="https://de.wikipedia.org/wiki/F%C3%BCnfeckszahl" hreflang="de" title="Fünfeckszahl">Fünfeckszahl</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-elwiki" data-wb-siteid="elwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-elwiki" title="Greek">elwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-elwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="el"><a href="https://el.wikipedia.org/wiki/%CE%A0%CE%B5%CE%BD%CF%84%CE%B1%CE%B3%CF%89%CE%BD%CE%B9%CE%BA%CF%8C%CF%82_%CE%B1%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82" hreflang="el" title="Πενταγωνικός αριθμός">Πενταγωνικός αριθμός</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-emlwiki" data-wb-siteid="emlwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-emlwiki" title="Emiliano-Romagnolo">emlwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-emlwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="egl"><a href="https://eml.wikipedia.org/wiki/N%C3%B9mer_pentagon%C3%A8l" hreflang="egl" title="Nùmer pentagonèl">Nùmer pentagonèl</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-enwiki" data-wb-siteid="enwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-enwiki" title="English">enwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-enwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="en"><a href="https://en.wikipedia.org/wiki/Pentagonal_number" hreflang="en" title="Pentagonal number">Pentagonal number</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-eswiki" data-wb-siteid="eswiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-eswiki" title="Spanish">eswiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-eswiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="es"><a href="https://es.wikipedia.org/wiki/N%C3%BAmero_pentagonal" hreflang="es" title="Número pentagonal">Número pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-fiwiki" data-wb-siteid="fiwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-fiwiki" title="Finnish">fiwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-fiwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="fi"><a href="https://fi.wikipedia.org/wiki/Viisikulmioluku" hreflang="fi" title="Viisikulmioluku">Viisikulmioluku</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-frwiki" data-wb-siteid="frwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-frwiki" title="French">frwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-frwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="fr"><a href="https://fr.wikipedia.org/wiki/Nombre_pentagonal" hreflang="fr" title="Nombre pentagonal">Nombre pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-glwiki" data-wb-siteid="glwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-glwiki" title="Galician">glwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-glwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="gl"><a href="https://gl.wikipedia.org/wiki/N%C3%BAmero_pentagonal" hreflang="gl" title="Número pentagonal">Número pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-hewiki" data-wb-siteid="hewiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-hewiki" title="Hebrew">hewiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-hewiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="he"><a href="https://he.wikipedia.org/wiki/%D7%9E%D7%A1%D7%A4%D7%A8_%D7%9E%D7%97%D7%95%D7%9E%D7%A9" hreflang="he" title="מספר מחומש">מספר מחומש</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-huwiki" data-wb-siteid="huwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-huwiki" title="Hungarian">huwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-huwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="hu"><a href="https://hu.wikipedia.org/wiki/%C3%96tsz%C3%B6gsz%C3%A1mok" hreflang="hu" title="Ötszögszámok">Ötszögszámok</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-itwiki" data-wb-siteid="itwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-itwiki" title="Italian">itwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-itwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="it"><a href="https://it.wikipedia.org/wiki/Numero_pentagonale" hreflang="it" title="Numero pentagonale">Numero pentagonale</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-jawiki" data-wb-siteid="jawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-jawiki" title="Japanese">jawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-jawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ja"><a href="https://ja.wikipedia.org/wiki/%E4%BA%94%E8%A7%92%E6%95%B0" hreflang="ja" title="五角数">五角数</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-kowiki" data-wb-siteid="kowiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-kowiki" title="Korean">kowiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-kowiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ko"><a href="https://ko.wikipedia.org/wiki/%EC%98%A4%EA%B0%81%EC%88%98" hreflang="ko" title="오각수">오각수</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-nlwiki" data-wb-siteid="nlwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-nlwiki" title="Dutch">nlwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-nlwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="nl"><a href="https://nl.wikipedia.org/wiki/Vijfhoeksgetal" hreflang="nl" title="Vijfhoeksgetal">Vijfhoeksgetal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ptwiki" data-wb-siteid="ptwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ptwiki" title="Portuguese">ptwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ptwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="pt"><a href="https://pt.wikipedia.org/wiki/N%C3%BAmero_pentagonal" hreflang="pt" title="Número pentagonal">Número pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-rowiki" data-wb-siteid="rowiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-rowiki" title="Romanian">rowiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-rowiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ro"><a href="https://ro.wikipedia.org/wiki/Num%C4%83r_pentagonal" hreflang="ro" title="Număr pentagonal">Număr pentagonal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ruwiki" data-wb-siteid="ruwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ruwiki" title="Russian">ruwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ruwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ru"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D1%8F%D1%82%D0%B8%D1%83%D0%B3%D0%BE%D0%BB%D1%8C%D0%BD%D0%BE%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" hreflang="ru" title="Пятиугольное число">Пятиугольное число</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-slwiki" data-wb-siteid="slwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-slwiki" title="Slovenian">slwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-slwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="sl"><a href="https://sl.wikipedia.org/wiki/Petkotni%C5%A1ko_%C5%A1tevilo" hreflang="sl" title="Petkotniško število">Petkotniško število</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-svwiki" data-wb-siteid="svwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-svwiki" title="Swedish">svwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-svwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="sv"><a href="https://sv.wikipedia.org/wiki/Pentagontal" hreflang="sv" title="Pentagontal">Pentagontal</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-tawiki" data-wb-siteid="tawiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-tawiki" title="Tamil">tawiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-tawiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="ta"><a href="https://ta.wikipedia.org/wiki/%E0%AE%90%E0%AE%99%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A3_%E0%AE%8E%E0%AE%A3%E0%AF%8D" hreflang="ta" title="ஐங்கோண எண்">ஐங்கோண எண்</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-trwiki" data-wb-siteid="trwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-trwiki" title="Turkish">trwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-trwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="tr"><a href="https://tr.wikipedia.org/wiki/Be%C5%9Fgensel_say%C4%B1" hreflang="tr" title="Beşgensel sayı">Beşgensel sayı</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-ukwiki" data-wb-siteid="ukwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-ukwiki" title="Ukrainian">ukwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-ukwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="uk"><a href="https://uk.wikipedia.org/wiki/%D0%9F%27%D1%8F%D1%82%D0%B8%D0%BA%D1%83%D1%82%D0%BD%D0%B5_%D1%87%D0%B8%D1%81%D0%BB%D0%BE" hreflang="uk" title="П'ятикутне число">П'ятикутне число</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-zh_yuewiki" data-wb-siteid="zh_yuewiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-zh_yuewiki" title="Cantonese">zh_yuewiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-zh_yuewiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="yue"><a href="https://zh-yue.wikipedia.org/wiki/%E4%BA%94%E9%82%8A%E5%BD%A2%E6%95%B8" hreflang="yue" title="五邊形數">五邊形數</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li><li class="wikibase-sitelinkview wikibase-sitelinkview-zhwiki" data-wb-siteid="zhwiki"> <span class="wikibase-sitelinkview-siteid-container"> <span class="wikibase-sitelinkview-siteid wikibase-sitelinkview-siteid-zhwiki" title="Chinese">zhwiki</span> </span><span class="wikibase-sitelinkview-link wikibase-sitelinkview-link-zhwiki"><span class="wikibase-sitelinkview-page" dir="auto" lang="zh"><a href="https://zh.wikipedia.org/wiki/%E4%BA%94%E8%A7%92%E6%95%B0" hreflang="zh" title="五角数">五角数</a></span><span class="wikibase-badgeselector wikibase-sitelinkview-badges"></span></span> </li></ul> </div> </div> </div><div class="wikibase-sitelinkgroupview" data-wb-sitelinks-group="wikibooks"> <div class="wikibase-sitelinkgroupview-heading-section"> <div class="mw-collapsible-toggle-placeholder"></div> <div class="wikibase-sitelinkgroupview-heading-container"> <h3 class="wb-sitelinks-heading" dir="auto" id="sitelinks-wikibooks">Wikibooks<span class="wikibase-sitelinkgroupview-counter">(0 entries)</span></h3> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetSiteLink/Q674928" title=""><span class="wb-icon"></span>edit</a></span></span></span> </div> </div> <div class="mw-collapsible-content"> <div class="wikibase-sitelinklistview"> <ul class="wikibase-sitelinklistview-listview"></ul> </div> </div> </div><div class="wikibase-sitelinkgroupview" data-wb-sitelinks-group="wikinews"> <div class="wikibase-sitelinkgroupview-heading-section"> <div class="mw-collapsible-toggle-placeholder"></div> <div class="wikibase-sitelinkgroupview-heading-container"> <h3 class="wb-sitelinks-heading" dir="auto" id="sitelinks-wikinews">Wikinews<span class="wikibase-sitelinkgroupview-counter">(0 entries)</span></h3> <span class="wikibase-toolbar-container"><span class="wikibase-toolbar-item wikibase-toolbar "><span class="wikibase-toolbar-item wikibase-toolbar-button wikibase-toolbar-button-edit"><a href="/wiki/Special:SetSiteLink/Q674928" title=""><span class="wb-icon"></span>edit</a></span></span></span> </div> </div> <div class="mw-collapsible-content"> <div class="wikibase-sitelinklistview"> <ul class="wikibase-sitelinklistview-listview"></ul> </div> </div> </div><div class="wikibase-sitelinkgroupview" data-wb-sitelinks-group="wikiquote"> <div 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