Select 4 unique numbers from 18 to 27
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 210
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,040
If order does not matter (e.g. most lottery numbers): 210
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,040