dois

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

número

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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Article · Português

O dois (do latim duos) ou 2 é um número, numeral e algarismo. É o número natural que segue o um e precede o três. É o menor e único número primo que é par. Por formar a base da dualidade, tem um significado religioso e espiritual em diversas culturas.

Abstract from DBpedia / Wikipedia · CC BY-SA

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