Select 4 unique numbers from 21 to 3
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 83,521 (~83.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 83,521 (~83.5 thousand)
If order does not matter (e.g. most lottery numbers): 83,521 (~83.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 83,521 (~83.5 thousand)