Select 20 unique numbers from 40 to 80
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 269,128,937,220 (~269.1 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 654,764,331,820,982,885,260,361,465,856 (~654764331821 million trillion)
If order does not matter (e.g. most lottery numbers): 269,128,937,220 (~269.1 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 654,764,331,820,982,885,260,361,465,856 (~654764331821 million trillion)