Integer

+An integer is a whole number that can be positive, negative, or zero. These fundamental units, distinct from [Fractions](/wiki/Fraction) and decimal numbers, form the backbone of [Number Theory](/wiki/Number_Theory) and arithmetic. The set of all integers is commonly denoted by the symbol $\mathbb{Z}$.

+## Definition and Properties

+Integers are numbers that can be written without a fractional component. The set of integers $\mathbb{Z}$ includes:

+$\mathbb{Z} = \{..., -3, -2, -1, 0, 1, 2, 3, ...\}$

+Key properties of integers include:

+An integer is a whole number that can be positive, negative, or zero. These fundamental units, distinct from [Fractions](/wiki/Fraction), form the backbone of [Number Theory](/wiki/Number_Theory) and arithmetic.

+## See also

+- [Natural Number](/wiki/Natural_Number)

+- [Rational Number](/wiki/Rational_Number)

+- [Real Number](/wiki/Real_Number)

+An integer is a whole number that can be positive, negative, or zero. These fundamental units, distinct from [Fractions](/wiki/Fraction), form the backbone of [Number Theory](/wiki/Number_Theory) and arithmetic.

+## See also

+- [Natural Number](/wiki/Natural_Number)

+- [Rational Number](/wiki/Rational_Number)

+- [Real Number](/wiki/Real_Number)