Select 20 unique numbers from 5 to 305
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 8,034,272,460,624,775,805,131,345,100,800 (~8034272460624.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 19,546,597,603,692,292,767,317,958,447,159,246,600,949,454,602,240 (~1.9546597603692E+31 million trillion)
If order does not matter (e.g. most lottery numbers): 8,034,272,460,624,775,805,131,345,100,800 (~8034272460624.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 19,546,597,603,692,292,767,317,958,447,159,246,600,949,454,602,240 (~1.9546597603692E+31 million trillion)