Select 18 unique numbers from 1 to 189
Total possible combinations (ways)
If order does not matter (e.g. most lottery numbers): 6,412,348,352,747,387,989,524,480 (~6412348.4 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 41,054,250,485,598,131,149,574,458,730,224,912,695,296 (~4.1054250485598E+22 million trillion)
If order does not matter (e.g. most lottery numbers): 6,412,348,352,747,387,989,524,480 (~6412348.4 million trillion)
If order matters (e.g. pick3 numbers, permutations, lock combinations, pin-codes): 41,054,250,485,598,131,149,574,458,730,224,912,695,296 (~4.1054250485598E+22 million trillion)