Featuring Dr James Grime... See for Brilliant and 20% off their premium service & 30-day trial (episode sponsor)... More links & stuff in full description below ↓↓↓ Prime Number Videos playlist: Absolute Primes are also known as permutable primes and anagrammatic primes (and not yet Jumble Primes). We also discuss Circular Primes. James Grime: More James on Numberphile: Patrons can see some behind-the-scenes animation pics... Patreon: Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: We're also supported by the Simons Laufer Mathematical Sciences Institute (formerly MSRI): Our thanks also to the Simons Foundation: NUMBERPHILE Website: Numberphile on Facebook: Numberphile tweets: Subscribe: Videos by Brady Haran Animation by Pete McPartlan Numberphile T-Shirts and Merch: Brady's videos subreddit: Brady's latest videos across all channels: Sign up for (occasional) emails: