---
title: 2081681993819799846994786333448627702865224538845305484256394568209274196127380153785256484516 (etc)
link: https://www.youtube.com/watch?v=1cvKGqgOx_8
source: youtube-com-numberphile
published: 2026-07-13T14:48:18Z
updated: 2026-08-03T11:18:24Z
first_seen: 2026-09-08T10:17:10.166315Z
authors:
- Numberphile
summary: "Richard Elwes discusses the unimaginable numbers underlying the popular game Go. See the John Tromp interview at https://youtu.be/it9YGUibtcA\nMore links & stuff in full description below ↓↓↓\n\nMore Richard on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWI42WXh1jnv51jHrcjatrk8\n\nMore big numbers on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJ_FwchNAjB3xa8UnoKdmQI\n\nMore about Richard Elwes (who is based at the University of Leeds): https://richardelwes.co.uk/ \n\nRichard's latest book Huge Numbers\nAmazon (affiliate links)...\nUK: https://amzn.to/4bSZA8v\nUS: https://amzn.to/4v3CIMp\n\nJohn Tromp - https://tromp.github.io/\nA Googolplex of Go Games - https://matthieuw.github.io/go-games-number/AGoogolplexOfGoGames.pdf\n\nPatreon: http://www.patreon.com/numberphile\n\nNumberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet\n\nWe are also grateful for support from the Ben Delo Foundation - https://delo.org/\n\nNUMBERPHILE\nWebsite: http://www.numberphile.com/\n\nVideo by Brady Haran and Pete McPartlan\n\nNumberphile T-Shirts and Merch: https://teespring.com/stores/numberphile\n\nBrady's videos subreddit: http://www.reddit.com/r/BradyHaran/\n\nBrady's latest videos across all channels: http://www.bradyharanblog.com/\n\nSign up for (occasional) emails: http://eepurl.com/YdjL9"
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---

Richard Elwes discusses the unimaginable numbers underlying the popular game Go. See the John Tromp interview at https://youtu.be/it9YGUibtcA\
More links & stuff in full description below ↓↓↓

More Richard on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWI42WXh1jnv51jHrcjatrk8

More big numbers on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJ\_FwchNAjB3xa8UnoKdmQI

More about Richard Elwes (who is based at the University of Leeds): https://richardelwes.co.uk/

Richard's latest book Huge Numbers\
Amazon (affiliate links)...\
UK: https://amzn.to/4bSZA8v\
US: https://amzn.to/4v3CIMp

John Tromp - https://tromp.github.io/\
A Googolplex of Go Games - https://matthieuw.github.io/go-games-number/AGoogolplexOfGoGames.pdf

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/

Video by Brady Haran and Pete McPartlan

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