Factorial Numbers – What is Stirlings Formula
                           Factoral numbers can be calculated using sterling approximation, use this online calculator to get your answers.
        
            Factorial NumbersCalculation
            
            Results:
            
         
           
              Formula:
    
                Stirling's Factorial: 
      n!  ≈   √(2π) × n(n+1/2)  × e -n 
Where, 
    
 n = Number of elements