👉 In mathematics, a normal number is a number that can be expressed in the form of n/9 + 10k where n and k are integers and gcd(n,9)=1. This means that it has no factors other than 1 and itself.
For example, 63 = 2
3
7, so it is a normal number.
In general, any positive integer can be expressed as the sum of two or more consecutive odd numbers, which are all