DOCUMENTATION CENTER SEARCH

Mathematica > Assumptions and Domains >

Integers

Integers
represents the domain of integers, as in x

Integers.

MORE INFORMATION

xIntegers evaluates immediately only if x is a numeric quantity.

Simplify[exprIntegers] can be used to try to determine whether an expression is an integer.

IntegerQ[expr] tests only whether expr is manifestly an integer (i.e., has head Integer).

Integers is output in TraditionalForm as .

Basic Examples (3)

7 is an integer:

If

is an integer, so is

:

Find positive integer solutions of a Pell equation:

Properties & Relations (3)

Element Simplify IntegerQ Reals Primes Algebraics Rationals Booleans

Simplifying with Assumptions

Using Assumptions

Equations and Inequalities over Domains

Assumptions and Domains

Formula Manipulation

Number Recognition

Number Theory

Polynomial Systems

New in 4

© 2008 Wolfram Research, Inc.

Ask a question about this page | Suggest an improvement | Leave a message for the team