Select 4 unique numbers from 1 to 2000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 664,668,499,500 (~664.7 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 15,952,043,988,000 (~16 trillion)
If order does not matter (e.g. most lottery numbers): 664,668,499,500 (~664.7 billion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 15,952,043,988,000 (~16 trillion)