Select 21 unique numbers from 1 to 75
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 2,103,535,234,151,143,936 (~2.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 107,471,597,004,169,369,626,215,515,594,669,686,784 (~1.0747159700417E+20 million trillion)
If order does not matter (e.g. most lottery numbers): 2,103,535,234,151,143,936 (~2.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 107,471,597,004,169,369,626,215,515,594,669,686,784 (~1.0747159700417E+20 million trillion)