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
English:
number
Definitions
Relations
Sources
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
The natural number following 20 and preceding 22 Wikipedia Disambiguation
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
Wikipedia Redirections
Wikidata Alias