Select 20 unique numbers from 1 to 28
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 3,108,105 (~3.1 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 7,561,714,896,123,855,728,803,840 (~7561714.9 million trillion)
If order does not matter (e.g. most lottery numbers): 3,108,105 (~3.1 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 7,561,714,896,123,855,728,803,840 (~7561714.9 million trillion)