Select 15 unique numbers from 1 to 18
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 816
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,067,062,284,288,000 (~1.1 thousand trillion)
If order does not matter (e.g. most lottery numbers): 816
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,067,062,284,288,000 (~1.1 thousand trillion)