Select 166 unique numbers from 3 to 20
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 378,166,754,401,616,490,659,840 (~378 sextillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 23,726,618,491,663,201,807,803,572,219,319,978,343,135,078,969,449,589,108,642,019,484,017,985,983,589,729,835,513,482,202,025,321,892,978,071,932,042,948,596,796,426,774,972,310,036,690,616,382,274,469,241,240,307,695,415,714,885,934,627,998,966,825,125,601,115,067,652,243,456 (~)
If order does not matter (e.g. most lottery numbers): 378,166,754,401,616,490,659,840 (~378 sextillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 23,726,618,491,663,201,807,803,572,219,319,978,343,135,078,969,449,589,108,642,019,484,017,985,983,589,729,835,513,482,202,025,321,892,978,071,932,042,948,596,796,426,774,972,310,036,690,616,382,274,469,241,240,307,695,415,714,885,934,627,998,966,825,125,601,115,067,652,243,456 (~)
