BUILT-IN MATHEMATICA SYMBOL

IntegerQ

IntegerQ[expr]
gives True if expr is an integer, and False otherwise.

Details Details

IntegerQ[expr] returns False unless expr is manifestly an integer (i.e. has head Integer).
Simplify[exprIntegers] can be used to try to determine whether an expression is mathematically equal to an integer.

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Basic Examples (1)Basic Examples (1)

IntegerQ tests whether an expression is explicitly an integer:

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Applications (2)Applications (2)

Properties & Relations (2)Properties & Relations (2)

Possible Issues (1)Possible Issues (1)

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See Also See Also

EvenQ OddQ NumberQ TrueQ Element Integer Integers

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