Select 20 unique numbers from 1 to 145
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 1,757,047,501,887,889,395,941,376 (~1757047.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 4,274,724,395,804,794,673,635,299,190,116,974,155,792,384 (~4.2747243958048E+24 million trillion)
If order does not matter (e.g. most lottery numbers): 1,757,047,501,887,889,395,941,376 (~1757047.5 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 4,274,724,395,804,794,673,635,299,190,116,974,155,792,384 (~4.2747243958048E+24 million trillion)