Select 16 unique numbers from 0 to 18
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 969
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,274,183,401,472,000 (~20.3 thousand trillion)
If order does not matter (e.g. most lottery numbers): 969
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 20,274,183,401,472,000 (~20.3 thousand trillion)