Select 1 unique numbers from 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999 to 999999999999999999999999999999999999999999999999999999999999999999
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers):
If order does not matter (e.g. most lottery numbers):