1. Natural numbers:

1, 2, 3, 4, 5, 6...

2. Whole numbers:

0, 1, 2, 3, 4, 5...

3. Odd numbers:

1, 3, 5, 7, 9...

4.Even numbers:

2,4,6,8,10...

5. Prime numbers:

2, 3, 5, 7, 11, 13...

6. Integers:

There are two type of integers.

1. Positive integers

2. Negative integers

1. ... -4, -3, -2, -1, 0, 1, 2, 3, 4...