Select 100 unique numbers from 1 to 400
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 2,241,854,791,554,339,381,932,205,985,656,061,633,249,129,804,927,095,227,454,949,424,611,578,014,690,164,628,145,621,465,825,280 (~2.2418547915543E+78 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 209,223,823,270,638,665,012,299,253,948,759,917,139,675,036,797,943,847,559,853,829,832,968,110,757,566,642,809,156,023,247,399,278,177,647,457,859,026,331,279,883,739,778,587,151,642,960,769,585,667,666,367,179,739,869,202,904,144,351,325,464,540,638,699,621,755,813,584,802,772,319,675,960,671,433,686,477,149,136,560,168,728,336,007,168 (~2.0922382327064E+236 million trillion)
If order does not matter (e.g. most lottery numbers): 2,241,854,791,554,339,381,932,205,985,656,061,633,249,129,804,927,095,227,454,949,424,611,578,014,690,164,628,145,621,465,825,280 (~2.2418547915543E+78 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 209,223,823,270,638,665,012,299,253,948,759,917,139,675,036,797,943,847,559,853,829,832,968,110,757,566,642,809,156,023,247,399,278,177,647,457,859,026,331,279,883,739,778,587,151,642,960,769,585,667,666,367,179,739,869,202,904,144,351,325,464,540,638,699,621,755,813,584,802,772,319,675,960,671,433,686,477,149,136,560,168,728,336,007,168 (~2.0922382327064E+236 million trillion)
