Select 20 unique numbers from 1 to 200
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,613,587,787,967,350,053,120,507,904 (~1613587788 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,925,700,969,715,068,135,081,049,843,353,215,374,060,421,120 (~3.9257009697151E+27 million trillion)
If order does not matter (e.g. most lottery numbers): 1,613,587,787,967,350,053,120,507,904 (~1613587788 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,925,700,969,715,068,135,081,049,843,353,215,374,060,421,120 (~3.9257009697151E+27 million trillion)