Select 20 unique numbers from 4000 to 5000
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 346,403,969,534,923,589,531,466,092,309,005,343,916,032 (~3.4640396953492E+23 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 842,766,913,121,875,205,172,792,663,163,531,383,816,687,686,597,484,874,825,728 (~8.4276691312188E+41 million trillion)
If order does not matter (e.g. most lottery numbers): 346,403,969,534,923,589,531,466,092,309,005,343,916,032 (~3.4640396953492E+23 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 842,766,913,121,875,205,172,792,663,163,531,383,816,687,686,597,484,874,825,728 (~8.4276691312188E+41 million trillion)