Select 20 unique numbers from 1 to 65535
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 875,149,443,204,726,439,959,293,184,710,259,833,406,042,011,272,839,561,330,882,096,103,553,201,340,416 (~)
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 (~)
If order does not matter (e.g. most lottery numbers): 875,149,443,204,726,439,959,293,184,710,259,833,406,042,011,272,839,561,330,882,096,103,553,201,340,416 (~)
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 (~)