Select 15 unique numbers from 1 to 220
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 64,247,139,726,718,318,673,920 (~64247.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 84,014,337,837,944,071,614,973,704,052,670,464 (~8.4014337837944E+16 million trillion)
If order does not matter (e.g. most lottery numbers): 64,247,139,726,718,318,673,920 (~64247.1 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 84,014,337,837,944,071,614,973,704,052,670,464 (~8.4014337837944E+16 million trillion)