S No.
Type of Numbers
Description
1
Natural Numbers
N = {1,2,3,4,5 >
It is the counting numbers
2
Whole Numbers
W= {0,1,2,3,4,5>
It is the counting numbers + zero
3
Integers
All whole numbers, including negative numbers + Positive numbers like -4,-3,-2,-1,0,1,2,3,4,5… so on.
Like whole numbers, integers don’t include fractions or decimals.
4
Positive Integers
Z+ = 1,2,3,4,5, ……
5
Negative Integers
Z– = -1,-2,-3,-4,-5, ……
6
Rational Numbers
A number is called rational if it can be expressed in the form of p/q where p and q are integers (q> 0).
For example, P/q, ⅘.
7
Irrational Number
A number is called irrational if it cannot be expressed in the form of p/q where p and q are integers (q> 0).
For example, √3.
8
Real Numbers
A real number is a number that can be found on the number line. Real Numbers are the numbers that we normally use and apply in real-world applications.
Real numbers include Natural Numbers, Integers, Whole Numbers, Rational Numbers, Fractions, and Irrational Numbers.