Select 18 unique numbers from 1 to 90
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 3,789,648,142,708,599,296 (~3.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 24,262,743,622,838,486,058,600,024,604,934,144 (~2.4262743622838E+16 million trillion)
If order does not matter (e.g. most lottery numbers): 3,789,648,142,708,599,296 (~3.8 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 24,262,743,622,838,486,058,600,024,604,934,144 (~2.4262743622838E+16 million trillion)