Select 20 unique numbers from 5 to 155
        Total possible combinations (ways)
        
If order does not matter (e.g. most lottery numbers): 4,185,827,140,054,455,852,990,464 (~4 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 10,183,707,254,918,769,657,092,950,261,464,725,024,931,840 (~)
            
                If order does not matter (e.g. most lottery numbers): 4,185,827,140,054,455,852,990,464 (~4 septillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 10,183,707,254,918,769,657,092,950,261,464,725,024,931,840 (~)



