Select 13 unique numbers from 1 to 309
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 29,110,075,239,454,442,782,720 (~29 sextillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 181,269,044,005,647,816,184,660,716,683,264 (~)
            
                If order does not matter (e.g. most lottery numbers): 29,110,075,239,454,442,782,720 (~29 sextillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 181,269,044,005,647,816,184,660,716,683,264 (~)



