Select 18 unique numbers from 1 to 38
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 33,578,000,610 (~34 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 214,978,908,196,382,746,213,351,424 (~215 septillion)
            
                If order does not matter (e.g. most lottery numbers): 33,578,000,610 (~34 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 214,978,908,196,382,746,213,351,424 (~215 septillion)



