Select 18 unique numbers from 500 to 3500
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 57,844,503,096,409,719,958,828,691,736,186,730,618,806,075,392 (~5.784450309641E+28 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 370,342,125,645,355,480,464,016,120,073,439,303,557,230,518,156,884,407,752,851,456 (~3.7034212564536E+44 million trillion)
If order does not matter (e.g. most lottery numbers): 57,844,503,096,409,719,958,828,691,736,186,730,618,806,075,392 (~5.784450309641E+28 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 370,342,125,645,355,480,464,016,120,073,439,303,557,230,518,156,884,407,752,851,456 (~3.7034212564536E+44 million trillion)