What's special about 196?

What's special about 196?

Free audio book offer: http://www.audible.com/numberphile Dr James Grime delves into the largely unresolved world of Lychrel Numbers? More links & stuff in full description below ↓↓↓ James Grime: https://twitter.com/jamesgrime For audio books by Numberphile stars, go to Audible and search these names; Hannah Fry, Alex Bellos, Simon Singh, Edward Frenkel --- http://www.audible.com/numberphile Receive a Brady-signed postcard from this video: http://www.bradyharanblog.com/postcard/89 Cheryl's Birthday: https://youtu.be/emiMj8cCL5E Support us on Patreon: http://www.patreon.com/numberphile 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 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran 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 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile

Why 82,000 is an extraordinary number - Numberphile

Why 82,000 is an extraordinary number - Numberphile

Check out How Not To Be Wrong by Jordan Ellenberg: http://bit.ly/HowNotToBeWrong More links & stuff in full description below ↓↓↓ And special Kindle offer: http://bit.ly/Wrong_Special This video features Dr James Grime - http://singingbanana.com Cheers to Thomas Oléron Evans for inspiring James: http://www.mathistopheles.co.uk/maths/covering-all-the-bases/ Support us on Patreon: http://www.patreon.com/numberphile 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 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran 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 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile

The Four 4s - Numberphile

The Four 4s - Numberphile

It was a famous problem for many years - until a physics genius solved it all the way to infinity. Featuring author Alex Bellos - more links below. Extras from this interview: https://youtu.be/jv8dITbiheQ More Numberphile videos with Alex: http://bit.ly/Bellos_Playlist Alex's recent book about puzzles (including the Four 4s): http://amzn.to/2jRo0n2 More Alex books: http://bit.ly/BellosBooks With a sincere thanks to these Patrons... Jeff Straathof Today I Found Out Peggy You'll Christian Cooper Dr Jubal John James Bissonette Ken Baron Andrzej 'Yester' Fiedukowicz Bill Shillito Tony Fadell Erik Alexander Nordlund Thomas Buckingham Susan Silver OK Merli Tyler O'Connor Jon Padden Ciprian Stan Vali Dobrota D Hills Charles Southerland Arnas plusunim Paul Bates Jordan Smith Tracy Parry Kristian Joensen Tryggve Johannesson Alfred Wallace Join out Patreon supporters at: http://www.patreon.com/numberphile Numberphile is supported by the Mathematical Sciences Research Institute (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. 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 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

That Viral Math Problem (Cheryl's Birthday) - Numberphile

That Viral Math Problem (Cheryl's Birthday) - Numberphile

Simon Pampena gives his take on THAT viral math problem from Singapore. More links & stuff in full description below ↓↓↓ EXTRA FOOTAGE for this video: http://youtu.be/Mj-YngjjpJg Simon on Twitter: https://twitter.com/mathemaniac Support us on Patreon: http://www.patreon.com/numberphile 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 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran 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 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile

The Useless Number - Numberphile

The Useless Number - Numberphile

One of the first people to stumble over imaginary numbers (namely the square root of -15) thought it was "subtle" and "useless". More links & stuff in full description below ↓↓↓ Featuring Barry Mazur. Extra footage from this interview: http://youtu.be/i4GCd2xOCDg Barry's book on this topic: http://bit.ly/RootMinusFifteen Barry on scale and similarity: http://youtu.be/ItiFO5y36kw Support us on Patreon: http://www.patreon.com/numberphile 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 Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran 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 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile

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