This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Documentation / Mathematica / The Mathematica Book / Mathematica Reference Guide / Developer Context Objects in Mathematica 5 /

Developer`MachineIntegerQ

FilledSmallSquare MachineIntegerQ[expr] returns True if expr corresponds to a machine-sized integer, and False otherwise.

FilledSmallSquare On a typical computer system machine-sized integers must lie in the range to or to .

FilledSmallSquare Results from Mathematica are not affected by whether an integer is machine-sized or not; the speed of operations may however be affected.

FilledSmallSquare See also: $MaxMachineInteger, Precision.