Select 18 unique numbers from 1 to 728
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 416,879,087,741,307,932,425,552,304,667,623,424 (~4.1687908774131E+17 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,669,015,709,822,825,821,740,768,134,546,983,568,855,731,688,964,096 (~2.6690157098228E+33 million trillion)
If order does not matter (e.g. most lottery numbers): 416,879,087,741,307,932,425,552,304,667,623,424 (~4.1687908774131E+17 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 2,669,015,709,822,825,821,740,768,134,546,983,568,855,731,688,964,096 (~2.6690157098228E+33 million trillion)