Select 18 unique numbers from 3 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,402,373,705,728,000 (~6.4 thousand trillion)
If order does not matter (e.g. most lottery numbers): 1
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,402,373,705,728,000 (~6.4 thousand trillion)