Select 13 unique numbers from 1 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 77,520 (~77.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 482,718,652,416,000 (~482.7 trillion)
If order does not matter (e.g. most lottery numbers): 77,520 (~77.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 482,718,652,416,000 (~482.7 trillion)