Select 1000 unique numbers from 7000 to 8000
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 1,001
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )
            
                If order does not matter (e.g. most lottery numbers): 1,001
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )



