Select 15 unique numbers from 1 to 9
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 490,314 (~490 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 205,891,132,094,649 (~206 trillion)
            
                If order does not matter (e.g. most lottery numbers): 490,314 (~490 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 205,891,132,094,649 (~206 trillion)



