Select 1 unique numbers from 16001 to 16640
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 640
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 640
            
                If order does not matter (e.g. most lottery numbers): 640
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 640



