# Natural Number with fun

Jan 31, 2023
###### Number System with Funs and Facts

This post contains the funs and facts of Natural Numbers, Whole Numbers, Integers, Even Numbers, Odd Numbers and most important Question-Answers for all competitive viewers and New children who try to know the mathematics in easy way. Number System with Funs and Facts

Natural Number is a part of the Number System that includes all positive number from 1 to infinity excluding zero, fraction, decimal and negative numbers. It is also known as counting numbers. Generally used for calculation such as Addition, Subtraction, Multiplication & Division. It is represented by the capital letter “N”.

###### Whole Number:

All natural number is the whole number including zero. In other words, you can say that all natural numbers are the whole number but, all the whole numbers are not the natural numbers. It is represented by the capital letter “W”.

###### Represent the Difference and Intersection of Set A and Set B

Let

set A={0,1,2,3,4,5,6,7,8,9,10,11,………….}

Set B={1,2,3,4,5,6,7,8,9,10,11,………….}

The above representation of set A and set B

i.e. A∩B

similarly, A-B=0

###### Integer:

Integers are the collection of both positive and negative of the whole number including ‘0’ and  excluding the fraction. We can use all the integer for arithmetical operation like Addition, Subtraction, Multiplication and Division etc.  It is represented by the capital letter “Z”.

###### How to represent integers on Number Line?
• As shown in above figure,
• Zero is at the center on a number line.
• Positive Integers are the right side of Zero
• Negative Integers are the left side of the Zero.
###### Some important funs and facts for Integer in Addition and Subtraction

Addition:-Number System with Funs and Facts

Subtraction:-Number System with Funs and Facts

###### Even Number:

Even numbers are integers that exactly divisible by 2. The number, exactly divisible by 2. The number is called an even Number. We can say in a simple way, The table of 2 is known as an even number and we can also find the even number in this way, A number, they have ones place 0, 2, 4,6,8. The number is divisible by 2 and It is called Even number.

###### Odd Number:

Odd numbers are the integers that exactly not  divisible by 2. The number, exactly not divisible by 2. The number is called an odd number. We can say in a simple way, A number, they have ones place 1, 3, 5, 7, 9. The number is not divisible by 2 and It is called Odd Number.