Select 4 unique numbers from 1000 to 1000000000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 41,666,499,916,916,915,695,650,970,982,678,528 (~4.1666499916917E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,995,998,006,006,050,482,599,598,422,491,136 (~9.9999599800601E+17 million trillion)
If order does not matter (e.g. most lottery numbers): 41,666,499,916,916,915,695,650,970,982,678,528 (~4.1666499916917E+16 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 999,995,998,006,006,050,482,599,598,422,491,136 (~9.9999599800601E+17 million trillion)