Select 2 unique numbers from 6 to 90
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 3,570
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 7,140
If order does not matter (e.g. most lottery numbers): 3,570
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 7,140