As any superstitious person will tell you, 13 is hardly any old number. For centuries the sinister prime has been associated with bad luck, especially on Friday. But where did the negative association ...
I have The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1987) and in this edition, the smallest whole number not listed is 43. However, of course, that becomes an interesting ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results