Numberphile is a neat YouTube channel about fun number facts. There are currently thirty-three videos in the Numberphile collection. The videos cover things like 998,001 and its Mysterious Recurring Decimals, Pi and Bouncing Balls, and 1 and Prime Numbers. I've embedded Pi and Bouncing Balls below.
For some reason these videos reminded me of the old Mathnet show that I used to watch on PBS in the 80's. So of course I had to see if Mathnet was on YouTube, it is! A quick search for Mathnet on YouTube will take you to multiple full-length episodes of Mathnet. Here's the pilot episode.
Applications for Education
Numberphile's videos could be a fun way for students to explore and learn some fun facts about numbers. Perhaps you have a student whose thinks the way I did in high school, I wasn't good at math, but I did like and still do like fun facts about numbers (or any fun fact about anything). A fun number fact could be the "hook" to get that student interested in an aspect of mathematics.
Numberphile - Videos About Curious Number Facts
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