rdfs:label
"21"@en
skos:altLabel
"1*21"@en
"21*1"@en
"the number 21"@en
"twenty one"@en
"twenty-one"@en
"㉑"@en
schema:description
"natural number"@en
schema:dateModified "2026-09-06T01:19:37+00:00"^^xsd:dateTime
schema:version 2540759169
wikibase:identifiers 10
wikibase:sitelinks 106
wikibase:statements 65
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p:P6262 wd:statement/Q712477-c10b69e2-4747-f9bb-b0c9-69c730ac59cb
p:P7316 wd:statement/Q712477-2AFEA097-04FE-48F1-8DE6-E2B9DB4457E2
p:P7383 wd:statement/Q712477-A4A6E68F-C3B1-48DF-874E-133550D040F4
p:P8168 wd:statement/Q712477-5D3CF96B-6578-42FE-A987-E479B26FB54F
p:P989 wd:statement/Q712477-C9DAB9CF-6FD6-4D21-8ADF-191958A47DE0
p:direct-normalized/P11473 <https://concepticon.clld.org/parameters/1734>
p:direct-normalized/P1748 <http://purl.obolibrary.org/obo/NCIT_C107434>
p:direct-normalized/P2581 <http://babelnet.org/rdf/s00000081n>
p:direct-normalized/P5176 <http://km.aifb.kit.edu/projects/numbers/n21>
p:direct-normalized/P8168 <https://database.factgrid.de/entity/Q418440>
wdt:P11473 "1734"
wdt:P1181 21.0^^xsd:decimal
wdt:P12086 "21_(getal)"
wdt:P1245 "7046"
wdt:P13560 "21"
wdt:P155 20
wdt:P156 22
wdt:P1748 "C107434"
wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/Zlin%20skyscraper%2001.jpg>
wdt:P1889 21
wdt:P2581 "00000081n"
wdt:P2892 "C3715213"
wdt:P2919 <http://commons.wikimedia.org/wiki/Special:FilePath/LSQ%2021.jpg>
wdt:P31 odd number
positive integer
centered pentachoric number
highly touchable number
triangular number
octagonal number
harshad number
deficient number
Fibonacci number
composite number
wdt:P3295 "10"
"10101"
"11"
"111"
"12"
"13"
"14"
"15"
"16"
"17"
"18"
"19"
"1A"
"21"
"210"
"23"
"25"
"30"
"33"
"41"
"XXI"
"ΚΑʹ"
"௨௧"
"௨௰௧"
"൨൧"
"൨൰൧"
"𒎙𒐕"
wdt:P373 "21 (number)"
wdt:P443 <http://commons.wikimedia.org/wiki/Special:FilePath/Cs-21.ogg>
<http://commons.wikimedia.org/wiki/Special:FilePath/Fr-21.ogg>
<http://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150%20%28fra%29-Guilhelma-21.wav>
<http://commons.wikimedia.org/wiki/Special:FilePath/Lb-eenanzwanzeg.ogg>
wdt:P487 "㉑"
wdt:P5176 "21"
wdt:P5236 3
N°7
wdt:P6104 WikiProject Mathematics
wdt:P6262 "googology:21"
wdt:P7316 2.0^^xsd:decimal
wdt:P7383 "V20-V20-Z1"
wdt:P8168 "Q418440"
wdt:P989 <http://commons.wikimedia.org/wiki/Special:FilePath/Nl-21%20%28getal%29-article.ogg>
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