Select 21 unique numbers from 42 to 70
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 4,292,145 (~4 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 219,289,731,987,591,789,291,765,760 (~219 septillion)
            
                If order does not matter (e.g. most lottery numbers): 4,292,145 (~4 million)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 219,289,731,987,591,789,291,765,760 (~219 septillion)



