Select 80 unique numbers from 20 to 100
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 81
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,797,126,020,747,368,988,107,131,594,424,222,569,533,761,270,245,335,494,147,417,892,666,067,355,426,667,501,048,309,326,726,671,364,356,932,181,764,555,669,504 (~5.7971260207474E+102 million trillion)
If order does not matter (e.g. most lottery numbers): 81
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 5,797,126,020,747,368,988,107,131,594,424,222,569,533,761,270,245,335,494,147,417,892,666,067,355,426,667,501,048,309,326,726,671,364,356,932,181,764,555,669,504 (~5.7971260207474E+102 million trillion)
