NUMBERS

A number tell us how many times a unit is contained in a given quantity.It therefore signifies one or more units,or denotes one or more distinct objects of the same kind.

Whole numbers: The numbers 0,1,2,3,.....are called whole numbers.

Even numbers: The numbers ,which are divisible by 2 are called even numbers.2,4,6,8,10,12,14,16,.......are called even numbers.

Odd numbers:The numbers ,which are not divisible by 2 are called odd numbers.1,3,5,7,9,11,13,15,17,19............are called odd numbers.

Prime numbers: The numbers ,which are divisible only by themselves are called prime numbers.1,3,5,7,11,13,17,19,23,...........are called prime numbers.

Composite numbers:The numbers which are not prime are called composite numbers.4,6,8,9,10,12,14,15,16............are called composite numbers.

Consecutive numbers:6,7,8,9 and 10 are consecutive,but 4,5,6,8 and 10 are not consecutive numbers.