# Is #5# a rational, irrational, natural, whole, integer or real number?

##### 1 Answer

Jul 10, 2015

It can be assigned to all above groups except irrational numbers.

#### Explanation:

- If a number consists only of digits, it is a natural number.
- An integer is a natural number or a number with minus sign and digits only.
- If it can be represented as a fraction, it is rational,
- If it cannot be represented as a fraction it is irrational.

The sets mentioned in points 2 and 3 include the ones mentioned above (

Rational and irrational numbers form real numbers set.