KrishnanNumber.java

import java.io.*; 
import java.util.Scanner;  
class KrishnanNumber 
{   
    static int fact(int number)   
    {   
        int f = 1;   
        while (number != 0) 
	{   
            f = f * number;   
            number--;   
        }   
        return f;   
    }   
    static boolean checkNumber(int number)   
    {   
        int sum = 0;    
        int tempNumber = number;     
        while (tempNumber != 0)
	{   
       	sum = sum + fact(tempNumber % 10);   
 	tempNumber = tempNumber / 10;   
    	}   
  	if(sum == number)  
            return true;  
    	else  
            return false;  
    }   
    	public static void main(String[] args)   
    	{   
        	int n; 
         	Scanner sc = new Scanner(System.in);  
          	System.out.println("Enter any number:");  
          	n = sc.nextInt();  
        	if (checkNumber(n))   
           		 System.out.println(n + " is a krishnan number");   
       		else  
            		System.out.println(n + "is not a krishnan number");   
    	}   
}