Select 18 unique numbers from 1 to 165
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 490,475,523,731,787,360,501,760 (~490475.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,140,207,596,443,565,210,550,752,445,460,784,349,184 (~3.1402075964436E+21 million trillion)
If order does not matter (e.g. most lottery numbers): 490,475,523,731,787,360,501,760 (~490475.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 3,140,207,596,443,565,210,550,752,445,460,784,349,184 (~3.1402075964436E+21 million trillion)
