Select 6 unique numbers from 15 to 90
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 218,618,940 (~219 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 157,405,636,800 (~157 billion)
            
                If order does not matter (e.g. most lottery numbers): 218,618,940 (~219 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 157,405,636,800 (~157 billion)



