Real numbers are the complete set of rational or irrational numbers. The real numbers are denoted by R.
Every rational & irrational number is a real number. Natural numbers, whole numbers, and integers are other parts of the number system.
Rational number
- Rational numbers are such numbers that can be presented in the p/q form.
- In the rational number form q is not equal to zero.
- The representation symbol of a rational number is Q.
- In two rational numbers, there are infinite rational numbers.
- All integers are rational numbers.
- But all rational numbers are not integers.
Natural number
- The number starts from 1 and moves on to infinite numbers.
- The natural numbers are presented by N.
Whole number
- The number starts from 0, 1, 2, and moves on.
- The whole numbers are presented by W.
Integers
- The integers are the complete set of positive and negative numbers.
- The integers are represented by Z.
Prime number
- The number can be divided by one and by itself.
- There are two factors of prime numbers.
- And 1 is not a prime number.