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integer

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Also known as whole number, integer number, integral number

thumb|upright=1.25|The integers arranged on a number line

AI overview

An integer is a whole number that can be positive, negative, or zero—like –3, 0, 5, or 100. Integers are fundamental in mathematics and everyday life because they're used for counting, measuring, and solving problems that don't involve fractions or decimals.

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Image: EvenOddNumberLine.svg

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Commons category: Integers
equivalent class: schema.org/Integer
Stack Exchange tag: math.stackexchange.com/tags/integers

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~16 min read

Article

14 sections

Contents

History
Algebraic properties
Order-theoretic properties
Construction
Traditional development
Equivalence classes of ordered pairs
Other approaches
Computer science
Cardinality
See also
Footnotes
References
Sources
External links

{{Short description|Number in {..., –2, –1, 0, 1, 2, ...} }}

thumb|upright=1.25|The integers arranged on a number line

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Categories

Abelian group theory Algebraic number theory Elementary mathematics Elementary number theory Integers Ring theory Sets of real numbers