2
Natural number
Also known as two · number 2 · number two · the number 2 · 2 (number)
- Instance of
- prime number
1
- , Eisenstein prime
- , Sophie Germain prime
- +17 more
- prime number
Overview
All data
131 statements · 7% with external sources · numbers in brackets are citations
- Unicode character
- 2 statement is subject of: 2
- ٢
- ۲
- ²
- ₂
- ⑵
- ❷
- ②
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- ⓶
- ➁
- ➋
- ⒉
- 🄃
- ๒
- 𝋢
- ২
- ௨
- ២
- २
- ૨
- ੨
- ༢
- ೨
- ୨
- ൨
- ౨
- ໒
- ၂
- ᠒
- 𒐖
- Ⅱ
- Opposite of
- −2 criterion used: opposite number
- ½ criterion used: multiplicative inverse
- Code
- ௨ encoding: Tamil number notation using ௰, ௱, ௲, Tamil number notation using ASCII 0
- II encoding: Roman numeral in basic notation
- ..--- encoding: Morse code
- 𒐖 encoding: Babylonian numerals
- 10 encoding: binary numeral system
- 2 encoding: octal, duodecimal
- Βʹ encoding: Greek alphabetic numerals
- 𝍡 encoding: counting rods
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- 〢 encoding: Suzhou numeral
- 二 encoding: Suzhou numeral
- ൨ encoding: Malayalam number notation using ASCII 0, Malayalam number notation using ൰, ൱, ൲
- Mathematical inverse
- ½ relative to: multiplication
- −2 relative to: addition
- Name in hiero markup
- Z1*Z1 encoding: Egyptian numeral in hieroglyphic notation
On other databases
34 identifiers linking 2 across the web's reference databases
- Arabic Ontology concept ID293868
- BabelNet ID00000075n
- BBC Things ID25807eec-cf68-41ae-a4a8-10abf45482aa
- Brockhaus Enzyklopädie online IDzwei
- Concepticon concept set ID1498
- Encyclopædia Britannica Online IDtopic/the-number-two
- FactGrid item IDQ399913
- Factordb ID2
- Fandom article IDgoogology:2
- Freebase ID/m/0h711
- GND ID4800816-3
- Google Knowledge Graph ID/g/1238gg37
- Harper's tagtwo-the-number
- Iconclass notation49D11(2)
- J9U entity ID987007558418105171
- KIT Linked Open Numbers ID2
- Library of Congress Authorities IDsh85139053
- MathWorld ID2
- Metamath statement IDdf-2
- Museum-digital tag ID122275
- Namuwiki ID2
- NCI Thesaurus IDC66833
- NicoNicoPedia word article ID2
- OmegaWiki Defined Meaning6248
- OpenAlex IDC95306019
- Personality Database profile ID518844
- Pixiv Encyclopedia ID2
- ProofWiki ID2
- Quora topic ID2-Number
- UMLS CUICL938172
- Vikidia article IDen:2
- WikiKids ID2_(getal)
- Yale LUX IDconcept/0ca3777b-c1da-484e-8400-d33a76381f77
- Yle topic ID18-255929