It is very easy to reverse a number using PHP string function strrev(). But here i will show you without using strrev() function. fucntion findReverseNumber($number){ $r...

The sum of the digits of variety is named its digit sum. For instance , the digit sum of 15 is 6 because 1 + 5 = 6. 12987 = 1 + 2 + 9 + 8 + 7 12987 = 27 Sum of Digits in...

All the numbers which end  with 1,3,5,7 and 9 are odd numbers. for instance , numbers like 11, 23, 35, 47 etc. are odd numbers. All the numbers ending with 0,2,4,6 and eight are e...

A number that is merely divisible by 1 and itself is named a major number. Numbers 2, 3, 5, 7, 11, 13, 17, etc. are prime numbers. 2 is that the only even prime. It is a num...