# Types of Numbers

### By Harrison Sparrevohn

## Numbers

Natural numbers The counting numbers {1, 2, 3, ...}, are called natural numbers. They include all the counting numbers i.e. from 1 to infinity.Whole numbers They are the natural numbers including zero. Not all whole numbers are natural numbers, but all natural numbers are whole numbers.Integers Positive and negative counting numbers, as well as zero.Rational numbers Numbers that can be expressed as a fraction of an integer and a non-zero integer.[1]Real numbers All numbers that can be expressed as the limit of a sequence of rational numbers. Every real number corresponds to a point on the number line.Irrational numbers A real number that is not rational is called irrational.