IsNumber

Tests if an object is a number.

Syntax

• IsNumber(X)

  • X is any object

Description

IsNumber(X) returns true iff X is a number. Typewise, this includes integers, rational numbers, real numbers, and complex numbers.

Examples

IsNumber(π)

true

IsNumber(IdentityMatrix(1))

false

IsNumber("[not] a particularly long conversation.")

false

IsNumber(i^i)

true

See also

• IsInteger

• IsReal