C program to find a Number is strong or not. It is a simple source code that provides the output of an actual Strong number. Take care of a questions for your interviews or students exam. This is a totally free of cost code.

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NUMBER IS STRONG OR NOT IN C

Number is strong in C program means it calculates the factorial value for the entire number. If the total of a factorial value is the same as given number, then this number is said to be a strong number. For example 125(1^!+2^!+5^!=1+2+120=123) is weak number. Then the strong number is 145.

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C CODE:

Q: Write a C program to check whether the given number is strong or not.

/* Title: Strong number program
Author: Vinoth Selvaraj
© http://students3k.com
*/
//Header file section
#include <stdio.h>
#include <conio.h>
#include <math.h>
void main()
{
	//Program variables
	int value,num,temp=1,ans=0,cn,num1;
	clrscr(); //Function to clear previous output
	printf("Enter the value : "); //Display function
	scanf("%d",&num); //Getting input function
	value=num;
	//calculating number is strong or not
	while(num>0) //unconditional statement
	{
		temp=1;
		num1=num%10;
		for(cn=num1;cn>1;cn--)/ /Looping statement
		{
			temp=temp*cn;
		}
		num/=10;
		ans+=temp;
	}
	printf("ans = %d",ans);
	if(value==ans) //Conditional statement
		printf("Number is strong number");
	getch();
}