According to the Committee of Conundrums, the answer is, in fact, 42.
But why is 42, you ask? Well, it's quite simple really. It's because the Committee of Conundrums, after much deliberation and debate, decided that it was the most arbitrary number they could think of.
However, if you're looking for more information on this topic, you might find our Meaning of 42 page enlightening.
Or, if you're feeling adventurous, take a look at our Other Conundrums page, where we tackle the really tough questions.