Thanks to the "I Am A TV Junkie" blog (link to the left), I have another example of "The Numbers" from 'Lost', found in a different TV show!
This is Rajnesh Koothrapalli from 'The Big Bang Theory' (and whom I've linked earlier to a character in the first episode of 'The George Carlin Show').
As he is a scientific genius, Rajnesh probably knows that "42" is the answer to Life, the Universe, and Everything. But NOT because he saw it in 'The Hitch-Hiker's Guide To The Galaxy', because they share the same TV dimension.
No, it's probably an established scientific principle (but one not known to the general public) ever since Arthur Dent went back in Time and altered Earth's history by crash-landing on the planet with the Golgrafrinchans circa 2,000,000 BC.
Speaking of BC....