Select 900 unique numbers from 1 to 1000
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 63,850,511,926,305,242,327,220,168,217,128,304,775,911,676,062,986,239,389,995,942,369,639,894,193,648,430,794,614,648,951,993,822,266,800,505,828,523,093,087,354,378,332,267,750,621,184 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )
            
                If order does not matter (e.g. most lottery numbers): 63,850,511,926,305,242,327,220,168,217,128,304,775,911,676,062,986,239,389,995,942,369,639,894,193,648,430,794,614,648,951,993,822,266,800,505,828,523,093,087,354,378,332,267,750,621,184 (~)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): inf (~0 )



