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Possible Duplicate:
What is 0x10 in decimal?
I notice that
Console.WriteLine(18);
writes 18, but
Console.WriteLine(0x18);
writes 24. What does this mean?
The
0xprefix indicates that the following number is in hexadecimal format. i.e. the base 16 number system. So the number0x18is (in base 10) (1 * 16^1) + (8 * 16^0) = 24 (remember: 16^0 = 1).Your example without the prefix
18is in base 10 already as you would probably expect.