Select 4 unique numbers from 1 to 65
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 677,040 (~677 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 16,248,960 (~16 million)
            
                If order does not matter (e.g. most lottery numbers): 677,040 (~677 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 16,248,960 (~16 million)



