Solution of Speacial Number

Author: dineshparekh11

Number Theory/SpecialNo.java

@@ -0,0 +1,36 @@
+import java.util.Scanner;
+ 
+public class SpecialNo {
+  public static void main(String[] args) {
+    Scanner in=new Scanner(System.in);
+    int  num, digit, sum=0, temp;
+    
+    
+    System.out.println("Enter any number"); // Input the number from user
+    num = in.nextInt();
+    temp = num;
+
+   
+    while(temp != 0){
+      digit = temp%10;            //Find the factorial of its digits.
+      sum += factorial(digit);    // Add all the factorial.
+      temp = temp/10;
+    }
+    
+    
+    if(sum == num)                //Check if the computed sum is equal to the original number.
+      System.out.println("Given number is Special Number");
+    else
+      System.out.println("Not a Special Number");
+ 
+  }
+    
+  
+  private static int factorial(int n){  //function to compute the factorial of the digits
+    int f=1;
+    for(int i=2; i<=n; i++){ 
+      f = f*i;                    
+    }
+    return f;
+  }
+}