Integer

An integer is the number zero (0), a positive natural number (1, 2, 3, ...), or the negation of a positive natural number (−1, −2, −3, ...). The negations or additive inverses of the positive natural numbers are referred to as negative integers. The set of all integers is often denoted by the boldface Z or blackboard bold

      Z
    
  

{\displaystyle \mathbb {Z} }

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Extends: [Elementary mathematics](https://wikipedia.org.ai/Elementary mathematics), [Abelian group theory](https://wikipedia.org.ai/Abelian group theory), [Ring theory](https://wikipedia.org.ai/Ring theory), Integers, [Elementary number theory](https://wikipedia.org.ai/Elementary number theory)