Featuring Tony Padilla. Check out the Jane Street puzzle at https://www.janestreet.com/numberphile-2023/ More links & stuff in full description below ↓↓↓ Mole's Star is a book by Britta Teckentrup - https://amzn.to/3LMYMGj Britta Teckentrup: https://www.brittateckentrup.com/ Tony Padilla's Fantastic Numbers and Where to Find Them - https://amzn.to/44Zotd7 Tony Padilla - https://www.nottingham.ac.uk/physics/people/antonio.padilla This episode was supported by Jane Street - check out opportunities with them here - https://www.janestreet.com/join-jane-street/overview/ Numberphile is supported by the Simons Laufer Mathematical Sciences Institute (formerly MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outreach/science-sandbox/ And support from The Akamai Foundation - dedicated to encouraging the next generation of technology innovators and equitable access to STEM education - https://www.akamai.com/company/corporate-responsibility/akamai-foundation NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Animation by Pete McPartlan Patreon: http://www.patreon.com/numberphile Numberphile T-Shirts and Merch: null Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9