Like one of the previous responders to this question, I too have a copy of the book Dictionary of Curious and Interesting Numbers by David Wells. Mine is the revised edition (1997) and, unlike the ...
Previous replies to this question have referred to the “uninteresting number” 247. However, it doesn’t seem to qualify, as 247 is the first multiple of 13 whose digits add up to 13. When I was ...
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