Natural Numbers

Natural Numbers are those numbers we use to count which are part of Real Numbers.

Natural numbers are the positive integers which start from 1 and ends at infinity.

Example: 1, 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ......................

Zero is not a natural number. For counting any number of objects, we start counting from 1 and not from zero.

A set is a collection of elements (numbers in this context) . The set of natural numbers is denoted by N .

N = { 1, 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ... ∞ }

Odd Natural Numbers are natural numbers which are not exactly divisible by 2

Example : 1 , 3 , 5 , 7 , 9 .......

When 3 divided by 2

${\frac {3}{2}}=1\quad Remainder=1$

Even Natural Numbers are natural numbers which are exactly divisible by 2

Example : 2 , 4, 6 , 8 , 10 .......

When 4 divided by 2

${\frac {4}{2}}=2\quad Remainder=0$

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