2

Also known as two, number 2, number two, the number 2, 2 (number)

natural number

AI overview

2 is the smallest prime number and the only even prime number. It serves as a fundamental building block in mathematics, since every other even number can be divided by 2, and it appears throughout arithmetic, number theory, and countless practical applications.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Instance of: Motzkin number
Followed by: 3
Follows: 1
Image: Maya 2.svg

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Unicode character: ⒉
Commons category: 2 (number)
topic's main category: Category:2 (number)
numeric value: 2
Commons gallery: 2 (number)
used by: power of two
prime factor: 2
opposite of: ½
number of decimal digits: 1
code: ൨
mathematical inverse: −2
name in hiero markup: Z1*Z1
maintained by WikiProject: WikiProject Mathematics

Sources (7)

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Encyclopedic overview

−1 0 1 2 3 4 5 6 7 8 9 → List of numbers Integers

← 0 10 20 30 40 50 60 70 80 90 →

Excerpted from Wikipedia’s “2” article, available under the CC BY-SA 4.0 licence.

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