How many types of numbers have?

                                                                 Numbers 
basic maths:
This is a generally asked in basic maths for competitive exams.it is also used for basic maths for beginners for students in each respective class level.
                                               
              There are different types of numbers. They are:

              1) Natural number.  e.g ( 1,2,3,4,5,6,7,8,9,10....)

              2) whole number. e.g ( 0,1,2,3,4,5,6,7,8,9,10....)

              3) Integers. e.g ( 0,+1,-1,+2,-2.....).

             4)Real numbers(decimal number): These numbers are also called as imaginary numbers.
                                   
                     They are again divided into two: They are Rational and Irrational numbers.


Rational numbers: the e.g root of positive numbers.

Irrational numbers: the e.g root of negative numbers.


                  5) Prime numbers:  The number comes in its tables. e.g ( 1,2,3,5,7,....)

                  6)Even numbers: The easiest way to remember is 2 table.
                                                e.g ( 2,4,6,8,10,12,14,16,18,20....)
                           
                  7)Odd numbers: The easiest way to remember is other than the 2 tables.
                                                e.g ( 1,3,5,7,9,11,13,15,17,19,21....)