Check if a number is a power of 2 and odd.

• To check if a number is a power of 2, use bitwise AND operator with the number and its predecessor. If the result is 0, it is a power of 2.

• To check if a numbe...read more

Keep dividing the number by two, i.e, do n = n/2 iteratively until n becomes 1. In any iteration, if n%2 becomes non-zero and n is not 1 then n is not a power of 2. If n becomes 1 then it is a power o...read more

N=[(log(x))÷(1-log(5))] 

If value of N is in integer then x is in power of 2 else it's not.

If X%2==1 then x is odd