Select 4 unique numbers from 1 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 4,845
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 116,280 (~116.3 thousand)
If order does not matter (e.g. most lottery numbers): 4,845
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 116,280 (~116.3 thousand)