The Problem with 7825 - Numberphile

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  • Published on May 17, 2018

  • Signup for your free trial to The Great Courses Plus here: http://ow.ly/b5wA30hIviV (sponsor) More links & stuff in full description below ↓↓↓ James Grime on a proof involving Pythagorean Triples. James Grime: http://singingbanana.com (book him for a talk) More on the proof: https://www.cs.utexas.edu/~marijn/ptn/ Preprint of the paper: https://arxiv.org/abs/1605.00723 Ron Graham videos: http://bit.ly/Ron_Graham 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. https://www.simonsfoundation.org/outr... And support from Math For America - https://www.mathforamerica.org/ 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 Patreon: http://www.patreon.com/numberphile 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 The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US, UK, and Australian markets. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally.
  • The Problem with 7825 - Numberphile etiketleri


  • Look, another seemingly arbitrary number to use as clickbait! Classic Numberphile ;D

  • I have synaesthesia only where numbers are concerned. As a child, I was trying to find a way to make the numbers add up in such a way that their respective colours would blend to give me the correct colour for their total. I quickly ran into the same problem you guys did.

  • lol blue and red makes purple, so 7825 is purple, silly mathematicians

  • Probably my favorite guy on Numberphile.

  • That blue pen appears rather green

  • I have to do some calculus exercises...

  • I love these classic Numberphile videos where James Grime talks about one particular number

  • it doesn't look blue because it's on brown paper.

  • What, a new Internet Comment Etiquette AND a new Numberphile video at the same time? is it Christmas already??''

  • That blue pen didn't look very blue to me

  • I always get excited when James grime is on numberphile

  • I bet I could do this for a^3 + b^3 = c^3

  • ...and those two days of supercomputation probably cost more than 100$ :)

  • Ramsay theory : The formula to find lamb sauce.

  • Fine example of a Parker Grid at

  • The colour that blue pen produces is as blue as people hear Yanny.

  • I can feel 7825. When I go somewhere where everyone is having a good time, everything stops when I get there.

  • Absolutely loves James Grime, always a pleasure to see him featured on Numberphile again.

  • I found a pattern where a^2+b^2=(b+p)^2 made pythagorean triples if p was a factor of a. (lowest factor being 2 if a is even)

  • That Rubik's Cube, though. Argh! Needs... solving... quickly... before my heart... argh... help!