Select 13 unique numbers from 1 to 21
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 203,490 (~203.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,267,136,462,592,000 (~1.3 thousand trillion)
If order does not matter (e.g. most lottery numbers): 203,490 (~203.5 thousand)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 1,267,136,462,592,000 (~1.3 thousand trillion)