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 20,569 articles since December 5, 2008. If you're fascinated by numbers like multillion or binary-ogolchunk, 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!
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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:
- Short essay on the foundations and history of the field
- Googol and googolplex
- Tetration
- Arrow notation
- Graham's number
- Introduction to Googology blog post by Sbiis Saibian
- List of googolisms and functions
Also, be sure to check out the links below.
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Article Count Progress
We have reached 0% of our goal of 10100 articles!
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GoogolNews™
- July 2, 2024: FF(5) or S(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!
Links
This is a compilation of websites that may be of interest to large number enthusiasts.
- For beginners
- What is googology? Genspark (AI) collected and summarized information on googology. Recommended for beginners to get some background information.
- Large numbers increasing Douglas Shamlin Jr.'s video series about increasing numbers. It goes from zero to numbers described using Bird's array notation. Recommended for beginners.
- One to Infinity: A Guide to the Finite by Sbiis Saibian/(user), a guided tour of googology and number systems. Recommended for beginners.
- Large Numbers by Robert Munafo. Recommended for beginners.
- Sites
- Aarex Googology by Aarex Tiaokhiao/(user (inactive))
- Big Number Central by Jonathan Bowers
- Notable Properties of Specific Numbers by Robert Munafo
- Super Huge Numbers (main site) by Chris Bird
- Pointless Large Number Stuff by wiki user cookiefonster
- Big Number Duel by Agustín Rayo
- Hayden's Big Numbers by wiki user HaydenTheGoogologist2009
- Pointless Googolplex Stuffs and ExE ultimate googolism generator by wiki user DeepLineMadom
- AR Googol by wiki user ARsygo
- Who Can Name the Bigger Number? by Scott Aaronson
- Turing Machine Simulator by Anthony Morphett
- CompactStar's Googology by wiki user CompactStar
- Impossible Numbers by wiki user Antfarmerguys
- Subreddits
- Ordinals
- Ordinal Explorer by wiki user Rgetar
- An interactive diagram for ordinals up to \(\varepsilon_{\varepsilon_0}\)
- Non-wiki googology links in other languages
- 大数入门 for those who know Chinese. Beware though, the article contains tons of mistakes.
- Large Number in pixiv dictionary for those who know Japanese.
- Miscellany
- Googol Maps 2.0 (year - size) by wiki user Koteitan