Select 20 unique numbers from 2 to 28
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 888,030 (~888 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,160,489,970,321,101,751,844,864 (~2160490 million trillion)
If order does not matter (e.g. most lottery numbers): 888,030 (~888 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,160,489,970,321,101,751,844,864 (~2160490 million trillion)