Why 7 is Weird - Numberphile

Thanks to Jane Street for their support... Check out internships here: More links & stuff in full description below ↓↓↓ This video features Dr James Grime on divisibility. James Grime: His YouTube channel: More James on Numberphile: More divisibility on Numberphile: JANE STREET... Applications for Summer 2023 internships are open and filling up... Roles include: Quantitative Trading, Software Engineering, Quantitative Research and Business Development... and more. Positions in New York, Hong Kong, and London. Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): We are also supported by Science Sandbox, a Simons Foundation initiativ