👉 In mathematics, a "diffident" is a number that can be expressed as a difference of two integers. For example, 15 and -7 are both examples of diffidents. A number is said to be a diffident if it has no prime factor other than 2 and 3. This means that the only factors of the number are 1 and itself, and it cannot have any more factors in common with these two numbers. For example, 57 is a diff
