Select 20 unique numbers from 80 to 30
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 6,366,805,760,909,028,434,057,105,254,645,760 (~6.366805760909E+15 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,366,805,760,909,028,434,057,105,254,645,760 (~6.366805760909E+15 million trillion)
If order does not matter (e.g. most lottery numbers): 6,366,805,760,909,028,434,057,105,254,645,760 (~6.366805760909E+15 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 6,366,805,760,909,028,434,057,105,254,645,760 (~6.366805760909E+15 million trillion)