&gt; These are odd facts, very suitable for puzzle columns and likely to amuse amateurs, but there is nothing in them which appeals to the mathematician.<p>I very much disagree with any statement which says a mathematical fact is unimportant. It is impossible to know which facts and theories will be useful in the future. People thought number theory and prime numbers was intellectual masturbation until cryptography and computers came about.<p>Any fact about numbers that someone can figure out is worth publishing, no matter how &quot;useless&quot; it seems.