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IntegerQ

Usage

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


Notes

IntegerQ[expr] returns False unless expr is manifestly an integer (i.e., has head Integer).
Simplify[expr  Integers] can be used to try to determine whether an expression is mathematically equal to an integer.
• See also: EvenQ, OddQ, NumberQ, TrueQ, Element.
• New in Version 1.


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