Select 7 unique numbers from 1 to 9999
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 1,978,577,813,572,771,418,996,736 (~2 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,972,032,180,406,767,139,994,730,496 (~)
            
                If order does not matter (e.g. most lottery numbers): 1,978,577,813,572,771,418,996,736 (~2 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 9,972,032,180,406,767,139,994,730,496 (~)



