Select 7 unique numbers from 1 to 81
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 3,477,216,600 (~3.5 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 17,525,171,664,000 (~17.5 trillion)
If order does not matter (e.g. most lottery numbers): 3,477,216,600 (~3.5 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 17,525,171,664,000 (~17.5 trillion)