It's videos like this one from YouTube user Numberphile that make us mortals realize why mathematicians view math as art, or perhaps as power. Highly composite numbers—numbers that have more divisible ...

The best kinds of ideas about numbers are easy to understand but devilish to actually prove. We saw that in the YouTube channel Numberphile's video about the Collatz conjecture. Now that channel and ...

A prime number is a natural number greater than 1 that has exactly two distinct factors, 1 and the number itself. So, if p is a prime number then its only factors will be 1 and p itself. 4: It can be ...