Before you study this concept, you are advised to read:
What are Whole Numbers ?
What are Integers ?
The numbers 0, 1, 2, 3, 4, 5,.... and so on..... all are called Whole Numbers.
And the collection of Whole Numbers and Negative Numbers is known as Integers.
So, the numbers 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5,.... and so on.....all are known as integers.
All Whole Numbers are a part of integers, but all integers cannot be a part of whole numbers
Any whole number can be referred to as Integers also, but all integers cannot be referred to Whole Numbers. Only positive integers can be referred at whole numbers.
Let's understand this with the help of following Number Line:
