Examples for
Integers
The set of integers consists of the counting numbers, their negations and zero. They are central to many areas of mathematics, such as number theory and combinatorics. Wolfram|Alpha has extensive knowledge relating to integers and provides faculties for doing computations with them.
Learn about the characteristics of specific integers: whether they are prime, whether they are triangular, etc.
Compute properties of an integer:
Do arithmetic with integers. Use exact arithmetic on arbitrarily large integers.