Select 4 unique numbers from 15 to 31
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 2,380
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 57,120 (~57.1 thousand)
If order does not matter (e.g. most lottery numbers): 2,380
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 57,120 (~57.1 thousand)