Draft:Outline of numbers

The following outline is provided as an overview of and topical guide to numbers:

What type of thing is numbers?
Numbers can be described as all of the following:

Basic categories

 * Natural numbers
 * Integers
 * Rational numbers
 * Irrational numbers
 * Real numbers
 * Complex numbers

Hypercomplex numbers

 * Hypercomplex number
 * Bicomplex number
 * Biquaternion
 * Bioctonion
 * Dual numbers
 * Dual complex numbers
 * Dual quaternion
 * Quaternions
 * Octonions
 * Sedenions
 * Split-biquaternion
 * Split-complex numbers
 * Split-quaternion
 * Split-octonion

Other types

 * Transfinite numbers
 * p-adic numbers

History of numbers
History of numbers