C Program To Find Strong Number

http://technotip.com/6859/c-program-to-check-whether-a-number-is-strong-number-or-not/

Lets write a C program to check whether user entered number is strong number or not, using nested while loop.

Strong Number: Sum of factorial of a number’s individual digits should be equal to the number itself. Such a number is called Strong Number.

For Example: If user entered number is 145. We find factorial of individual digits of 145 and add it. i.e., !1 + !4 + !5

(1) + (24) + (120) = 145

So the original number and the sum of factorials of individual digits are both 145. So number 145 is considered as a Strong Number.

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