What is Strong Number And How to Check Strong Number Through Recursion
What is Recursion?
Recursion is the process of repeating items in a self-similar way. In programming languages, if a program allows you to call a function inside the same function, then it is called a recursive call of the function.
What is Strong Number?
Strong number is a number whose sum of all digits' factorial is equal to the number 'n'. Factorial implies when we find the product of all the numbers below that number including that number and is denoted by ! (Exclamation sign), For example: 4! = 4x3x2x1 = 24