by Brian Hayes
Published 22 October 2007
When is a tree (large, woody plant) not a tree (connected acyclic graph)?
This has something or other to do with the topic of the previous post.
(The tree (?) is a crepe myrtle near the campus of North Carolina State University in Raleigh.)
First publication: 22 October 2007
Converted to Eleventy framework: 22 April 2025
MathJax has made a big difference in my working life, transforming a problem into a pleasure. Putting math on the web is fun! Sometimes I do it just to show off.
Pick a number, N, then try searching for it on the web via Bing or Google (or maybe the leet version of Google).
Kenken is the funny-page puzzle that allows the number nerds among us to strut their stuff. And it’s not limited to the integers 1 through 6 or the operations +, –, ×, ÷.
Between the prime numbers 59 and 61 lies 60, which has an extraordinary abundance of divisors. Is that just a coincidence?