Select 1 unique numbers from 1 to 6439
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 6,439
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,439
            
                If order does not matter (e.g. most lottery numbers): 6,439
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,439



