Uploaded June 2026 | Updated September 2026, 3 weeks ago
Kat Phillips tumbles down a numerical rabbit hole after a text message from her mother. Extra footage at: youtu.be/bIbTfdbQaSE -- More links & stuff in full description below ↓↓↓
More about Kat, including links to her work and streaming and other stuff: katdoesmaths.me
She's on Twitch here: twitch.tv/katdoesmaths
The entire text message exchange in all its glory can be found on our Patreon: patreon.com/numberphile/posts/161134605
Every number is the sum of three palindromes: youtu.be/OKhacWQ2fCs
Patreon: patreon.com/numberphile
Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet
We are also grateful for support from the Ben Delo Foundation - delo.org
NUMBERPHILE
Website: numberphile.com
Videos by Brady Haran
Numberphile T-Shirts and Merch: teespring.com/stores/numberphile
Brady's videos subreddit: reddit.com/r/BradyHaran
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Kat Phillips tumbles down a numerical rabbit hole after a text message from her mother. Extra footage at: youtu.be/bIbTfdbQaSE -- More links & stuff in full description below ↓↓↓
More about Kat, including links to her work and streaming and other stuff: katdoesmaths.me
She's on Twitch here: twitch.tv/katdoesmaths
The entire text message exchange in all its glory can be found on our Patreon: patreon.com/numberphile/posts/161134605
Every number is the sum of three palindromes: youtu.be/OKhacWQ2fCs
Patreon: patreon.com/numberphile
Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: bit.ly/numberphile-janestreet
We are also grateful for support from the Ben Delo Foundation - delo.org
NUMBERPHILE
Website: numberphile.com
Videos by Brady Haran
Numberphile T-Shirts and Merch: teespring.com/stores/numberphile
Brady's videos subreddit: reddit.com/r/BradyHaran
Brady's latest videos across all channels: bradyharanblog.com
Sign up for (occasional) emails: eepurl.com/YdjL9










