> do you know what 10000 is in hexadecimal without working it out? I do, because it's 2^16, a very important number in computer science (though less important

> do you know what 10000 is in hexadecimal without working it out? I do, because it's 2^16, a very important number in computer science (though less important now). But I won't spoil it by giving the answer.