---
title: Palindrome Ages - Numberphile
link: https://www.youtube.com/watch?v=fwLsCgibGw4
source: youtube-com-numberphile
published: 2026-06-15T15:02:15Z
updated: 2026-08-14T03:54:59Z
first_seen: 2026-09-08T10:17:10.166315Z
authors:
- Numberphile
summary: |-
  Kat Phillips tumbles down a numerical rabbit hole after a text message from her mother. Extra footage at: https://youtu.be/bIbTfdbQaSE -- More links & stuff in full description below ↓↓↓

  More about Kat, including links to her work and streaming and other stuff: https://katdoesmaths.me/
  She's on Twitch here: https://twitch.tv/katdoesmaths

  The entire text message exchange in all its glory can be found on our Patreon: https://www.patreon.com/numberphile/posts/161134605

  Every number is the sum of three palindromes: https://youtu.be/OKhacWQ2fCs

  Patreon: http://www.patreon.com/numberphile

  Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet

  We are also grateful for support from the Ben Delo Foundation - https://delo.org/

  NUMBERPHILE
  Website: http://www.numberphile.com/

  Videos by Brady Haran

  Numberphile T-Shirts and Merch: https://teespring.com/stores/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
content: extracted
html: 2026-06-15-palindrome-ages-numberphile.html
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  file: 2026-06-15-palindrome-ages-numberphile.preview-a38b4c6df296.webp
  width: 256
  height: 192
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images:
- source: https://i.ytimg.com/vi/fwLsCgibGw4/maxresdefault.jpg
  original:
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extra:
  duration_seconds: 553
  thumbnail: https://i3.ytimg.com/vi/fwLsCgibGw4/hqdefault.jpg
---

Kat Phillips tumbles down a numerical rabbit hole after a text message from her mother. Extra footage at: https://youtu.be/bIbTfdbQaSE -- More links & stuff in full description below ↓↓↓

More about Kat, including links to her work and streaming and other stuff: https://katdoesmaths.me/\
She's on Twitch here: https://twitch.tv/katdoesmaths

The entire text message exchange in all its glory can be found on our Patreon: https://www.patreon.com/numberphile/posts/161134605

Every number is the sum of three palindromes: https://youtu.be/OKhacWQ2fCs

Patreon: http://www.patreon.com/numberphile

Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet

We are also grateful for support from the Ben Delo Foundation - https://delo.org/

NUMBERPHILE\
Website: http://www.numberphile.com/

Videos by Brady Haran

Numberphile T-Shirts and Merch: https://teespring.com/stores/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