A number is the symbolic representation of quantity. Humans represent numbers using the base 10 numeric system. Mathematicians formally represent numbers as sets: set of natural numbers, set of integers, set of real numbers, and so on.
A number is the symbolic representation of quantity. Humans represent numbers using the base 10 numeric system. Mathematicians formally represent numbers as sets: set of natural numbers, set of integers, set of real numbers, and so on.