Natural number definition: Learn what natural numbers

Learn what natural numbers are, how to write them, and their properties. Natural numbers are positive integers from 1 to infinity, used for counting and excluding zero and negative numbers. Learn what natural numbers are, how they differ from whole numbers and integers, and what mathematical properties they have. See examples of natural numbers and non-natural numbers, and how they are used in everyday life and advanced mathematics. Natural numbers include the set of positive integers beginning from 1 and extending to infinity. Click for more information. Natural numbers are the positive whole numbers. They start at one and go up to infinity.