Natural numbers and Whole number

 Natural numbers

 A natural number is an integer greater than 0. Natural numbers begin at 1 and increment to infinity: 1, 2, 3, 4, 5, etc. like this it goes on. In computer science, natural numbers are commonly used when incrementing values. The mathematician called Pythagoras was the one who found the natural numbers. We use the symbol N to denote them.

Whole numbers

The whole numbers are the number which starts at 0 and goes on still1,2,3,4,5,6,.......... it goes on. They are numbers that represent whole things without pieces. We use numbers in time, date, year, and weather. We use numbers in school and work, counting money, measurements, phone numbers, password on our phone, locks, reading, page numbers, and TV channels. Engineers use the number for their calculations to construct buildings and roads. Doctors use it for blood counts and medicines.