Googology Wiki
Googology Wiki

Googology Wiki is an online encyclopedia and community dedicated to large numbers.

Welcome to the Internet's most comprehensive database of large numbers and fast-growing functions. We have made 20,374 articles since December 5, 2008. If you're fascinated by numbers like gralgathor or dimensoldexbitetrexthrex, why not help us out? We encourage you to edit! As of December 5, 2023, Googology Wiki is now 15 years old and going strong!

(Googology in other languages: Česky · Deutsch · Español · Français · 日本語 · Nederlands · Русский · 한국어 · 中文 · Українська

New to big numbers?

Googology is the mathematical study of large numbers and fast-growing functions, as well as their properties and nomenclature. If you're interested in the subject, but you don't know where to start, try reading about some basic functions and ideas:

Also, be sure to check out the links below.

Around the Wiki

Article Count Progress

We have reached 0% of our goal of 10100 articles!


Large Numbers have done vastly more to make infinity seem large than infinity has ever done to make large numbers seem small.


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  • July 2, 2024: FF(5) = 47,176,870 was proved.
  • June 7, 2024: This is a SUPER MILESTONE!!! We finally reached our 20,000th article!!!
  • May 5, 2024: We finally reached our 19,000-th article!
  • January 1, 2024: Happy New Year, 2024!
  • December 5, 2023: Googology Wiki turned 15 years old!
  • November 21, 2023: Ukrainian Googology Wiki in the name of Вікі Googology was linked to our community!
  • October 22, 2023: We reached our 18,000-th article! That's 90% of the way to the big 20,000!
  • June 29, 2023: We finally reached our 17,000-th article!
  • June 8, 2023: Googology Wiki underwent several technical issues related to the assets, so Fandom wikis wouldn't render properly for a brief period, including, but not limited to this wiki and Community Central. The issues were subsequently fixed in the later days. Sorry for an another mess!
  • May 11, 2023: We finally reached our 16,000-th article!
  • April 20, 2023: MediaWiki was upgraded to 1.39.
  • March 18, 2023: Yet another big milestone... We finally reached our 15,000th article!
  • February 28, 2023: Fandom announced that Googology Wiki would be migrated to MediaWiki 1.39 by April 20.
  • February 10, 2023: We reached the 14,000-th article!
  • January 14 – 20, 2023: We held the second admin election, and relieved C7X's admin and bureaucrat career!
  • January 12, 2023: We opened the second admin election, and is set to hold by January 14, 2023.
  • January 1, 2023: Happy New Year, 2023!

More news...


This is a compilation of websites that may be of interest to large number enthusiasts.

For beginners
Non-wiki googology links in other languages