Select 15 unique numbers from 2 to 18
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 136
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 177,843,714,048,000 (~177.8 trillion)
If order does not matter (e.g. most lottery numbers): 136
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 177,843,714,048,000 (~177.8 trillion)