bn:00000081n
Noun Concept
Categories: Integers, Articles with short description
EN
twenty-one  21  XXI  twenty one  1*21
EN
The cardinal number that is the sum of twenty and one WordNet 3.0
number
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EN
The cardinal number that is the sum of twenty and one WordNet 3.0 & Open English WordNet
21 is the natural number following 20 and preceding 22. Wikipedia
Natural number Wikidata
The cardinal number occurring after twenty and before twenty-two, represented in Roman numerals as XXI and in Arabic numerals as 21. OmegaWiki
Cardinal number. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
Wikipedia
Wikidata
EN
21
Wiktionary
OmegaWiki
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