Select 100 unique numbers from 0 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,666,976,484,396,337,159,827,604,063,700,898,228,136,717,185,502,097,716,341,516,636,151,617,608,867,203,116,696,475,135,649,073,966,073,825,138,588,261,222,570,162,972,000,256 (~1.6669764843963E+114 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,666,976,484,396,337,159,827,604,063,700,898,228,136,717,185,502,097,716,341,516,636,151,617,608,867,203,116,696,475,135,649,073,966,073,825,138,588,261,222,570,162,972,000,256 (~1.6669764843963E+114 million trillion)
If order does not matter (e.g. most lottery numbers): 1,666,976,484,396,337,159,827,604,063,700,898,228,136,717,185,502,097,716,341,516,636,151,617,608,867,203,116,696,475,135,649,073,966,073,825,138,588,261,222,570,162,972,000,256 (~1.6669764843963E+114 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,666,976,484,396,337,159,827,604,063,700,898,228,136,717,185,502,097,716,341,516,636,151,617,608,867,203,116,696,475,135,649,073,966,073,825,138,588,261,222,570,162,972,000,256 (~1.6669764843963E+114 million trillion)
