Special Number

PROGRAM : SPECIAL NUMBER

Check whether a number is Special Number in JAVA. This program checks whether a number is a Special Number or not. A number is said to be special number when the sum of factorial of its digits is equal to the number itself. Example- 145 is a Special Number as 1!+4!+5!=145

SYNTAX:

import java.io.*;
class special_number
{
    public static void main(String args[])throws IOException
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Enter a number");
        int n=Integer.parseInt(br.readLine());
        int n1=n;int d=0,sum=0,f=1;
        while(n!=0)
        {f=1;
            d=n%10;
            for(int i=1;i<=d;i++)
            {f*=i;
            }
            sum+=f;
            n=n/10;
        }
        if(sum==n1)
        System.out.println("YES THE NUMBER IS  SPECIAL NUMBER");
        else
        System.out.println("NO THE  NUMBER IS NOT SPECIAL NUMBER");
    }
}