Natural Numbers

Natural numbers are the numbers, which are greater than zero and extends unto infinity. Natural numbers are used for the counting and ordering application.

N = 1,2,3,4,5. . . . . . 

The numbers used for the counting is called cardinal numbers and the numbers used for the ordering is called ordinal numbers.  

Some of the example of natural numbers used for the counting are as follows 

• There are five people present in the room.
• It is 5 kilometre far from your home.

Some of the example of natural numbers used for the ordering are as follows 

• She is the first women president.
• Third row students has to sing the song 

Representing the set of natural numbers

 N = { y : y is a positive integer greater than zero}

Questions

Identify whether following numbers are natural numbers 

Question	Answer
56	Yes
Infinity	Yes
0	No
-58	No