Wikidata entity: Q712477
Quantities
| P7316 | number of decimal digits | 2 |
| P1181 | numeric value | 21 |
| P3295 | code | String | 10 | ??? |
| P3295 | code | String | 13 | ??? |
| P3295 | code | String | 15 | ??? |
| P3295 | code | String | 16 | ??? |
| P3295 | code | String | 17 | ??? |
| P3295 | code | String | 18 | ??? |
| P3295 | code | String | 23 | ??? |
| P3295 | code | String | 25 | ??? |
| P3295 | code | String | 33 | ??? |
| P3295 | code | String | 41 | ??? |
| P3295 | code | String | 12 | ??? |
| P3295 | code | String | 19 | ??? |
| P3295 | code | String | 21 | ??? |
| P3295 | code | String | 30 | ??? |
| P3295 | code | String | 11 | ??? |
| P3295 | code | String | 111 | ??? |
| P3295 | code | String | 14 | ??? |
| P3295 | code | String | 210 | ??? |
| P3295 | code | String | 10101 | ??? |
| P3295 | code | String | XXI | ??? |
| P3295 | code | String | 1A | ??? |
| P3295 | code | String | ௨௰௧ | ??? |
| P3295 | code | String | ௨௧ | ??? |
| P3295 | code | String | 𒎙𒐕 | ??? |
| P3295 | code | String | ΚΑʹ | ??? |
| P373 | Commons category | String | 21 (number) | ??? |
| P1889 | different from | ... | Q213986 (21) | 21 |
| P156 | followed by | ... | Q712488 (22) | 22 |
| P155 | follows | ... | Q40292 (20) | 20 |
| P31 | instance of | ... | Q47577 (Fibonacci number) | Fibonacci number |
| P31 | instance of | ... | Q245102 (triangular number) | triangular number |
| P31 | instance of | ... | Q50707 (composite number) | composite number |
| P31 | instance of | ... | Q375355 (harshad number) | harshad number |
| P31 | instance of | ... | Q467511 (deficient number) | deficient number |
| P31 | instance of | ... | Q2634498 (octagonal number) | octagonal number |
| P31 | instance of | ... | Q13366129 (odd number) | odd number |
| P31 | instance of | ... | Q16858648 (centered pentachoric number) | centered pentachoric number |
| P31 | instance of | ... | Q23296480 (highly touchable number) | highly touchable number |
| P31 | instance of | ... | Q28920044 (positive integer) | positive integer |
| P2919 | label in sign language | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/LSQ%2021.jpg | ??? |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P7383 | name in hiero markup | String | V20-V20-Z1 | ??? |
| P5236 | prime factor | ... | Q23350 (7) | 7 |
| P5236 | prime factor | ... | Q201 (???) | ??? |
| P443 | pronunciation audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/Cs-21.ogg | ??? |
| P443 | pronunciation audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/Fr-21.ogg | ??? |
| P443 | pronunciation audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/Lb-eenanzwanzeg.ogg | ??? |
| P443 | pronunciation audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/LL-Q150%20%28fra%29-Guilhelma-21.wav | ??? |
| P989 | spoken text audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/Nl-21%20%28getal%29-article.ogg | ??? |
| P487 | Unicode character | String | ㉑ | ??? |
| P2581 | BabelNet ID | 00000081n |
| P2581 | BabelNet ID | 00000081n |
| P11473 | Concepticon concept set ID | 1734 |
| P8168 | FactGrid item ID | Q418440 |
| P13560 | factordb ID | 21 |
| P6262 | Fandom article ID | googology:21 |
| P5176 | KIT Linked Open Numbers ID | 21 |
| P1245 | OmegaWiki Defined Meaning | 7046 |
| P12086 | WikiKids ID | 21_(getal) |
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