Number that belongs to the set \(\mathbb{Z}=\left\{ \ldots ,-3,-2,-1,0,1,2,3,\ldots \right\}\).
Positive or negative number for which the absolute value is a whole number.
- Synonym of relative integer.
- The set of integers is:
\(\mathbb{Z} = {…, -4, -3, -2, -1, 0, 1, 2, 3, 4, …}\).
Symbols
The set of integers is represented by the letter \(\mathbb{Z}\).
\(\mathbb{Z}^{*}=\mathbb{Z}\) \ {0}.
\(\mathbb{Z}_{+}=\mathbb{N}\).