Select 20 unique numbers from 1 to 65535
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 875,149,443,204,726,542,803,328,017,285,637,468,091,615,921,107,246,122,751,873,698,202,294,660,628,480 (~8.7514944320473E+59 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,129,152,837,827,447,613,757,360,104,040,969,571,542,107,610,540,223,098,968,226,073,177,888,929,512,207,005,240,771,257,303,040 (~2.1291528378274E+78 million trillion)
If order does not matter (e.g. most lottery numbers): 875,149,443,204,726,542,803,328,017,285,637,468,091,615,921,107,246,122,751,873,698,202,294,660,628,480 (~8.7514944320473E+59 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,129,152,837,827,447,613,757,360,104,040,969,571,542,107,610,540,223,098,968,226,073,177,888,929,512,207,005,240,771,257,303,040 (~2.1291528378274E+78 million trillion)