Select 9 unique numbers from 1 to 20000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,408,396,986,854,518,891,832,099,062,415,360 (~1.4083969868545E+15 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 511,079,098,589,767,828,639,007,376,397,905,690,624 (~5.1107909858977E+20 million trillion)
If order does not matter (e.g. most lottery numbers): 1,408,396,986,854,518,891,832,099,062,415,360 (~1.4083969868545E+15 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 511,079,098,589,767,828,639,007,376,397,905,690,624 (~5.1107909858977E+20 million trillion)