Select 20 unique numbers from 1 to 300
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 7,500,433,758,922,136,197,380,484,104,192 (~7500433758922.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 18,247,820,354,277,530,625,848,716,119,901,624,456,016,824,369,152 (~1.8247820354278E+31 million trillion)
If order does not matter (e.g. most lottery numbers): 7,500,433,758,922,136,197,380,484,104,192 (~7500433758922.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 18,247,820,354,277,530,625,848,716,119,901,624,456,016,824,369,152 (~1.8247820354278E+31 million trillion)