Hello guys They are many types of Number. Math Number only 1.Natural Number 2.Whole Number 3.Prime Number 4.Composite Number 5.Co-Prime Number 6.Odd Number 7.Even Number 8.Perfect Number 9. Integers 10.Rational Number 11. Real Number 12. Irrational Number 1.Natural Number All counting number are called Natural Number. Other way start with 1 and never end is natural number. 1,2,3,4,5,6,7,8,9,10,11,22,33,44,55,66,777..….....etc. All natural number are positive. Smallest natural number is 1. Sum of first n natural number numbers 1+2+3+4+5+6+7+8+9+..+n=n(n+1)/2 Sum of squares =n(n+1)(2n+1)/6 Sum of cube={n(n+1)/2}² 2.Whole Number All Counting number starting with Zero is called whole number. Other way Natural number along with Zero is called Natural Number. O,,1,21,2,3,6,9,8,5,2,74,1....etc. 3.Prime Number Prime those numbers which are only two factors like one and itself is called Prime Number. ...
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