What mathematical curiosities does the year 2026 hold?

At the HLFF Blog, it is customary in the new year to feature a blog post containing mathematical facts about the year. 2025 truly was a gift, and you can see just why in Katie Steckles’ excellent post last year. But the chances of having two consecutive years with so many fun facts are, as one might expect, small. So it shouldn’t come as a surprise that there is a dearth of interesting facts about 2026.

However, there is one interesting mathematical curiosity to be found in 2026 that might blow all the 2025 facts out the water.

For more on this subject, check out this week’s article at the HLFF Blog by Sophie Maclean: HLFF Blog

Image caption: Yang Hui’s Triangle (13th century).


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