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 33,678 articles since December 5, 2008. If you're fascinated by numbers like tritri or binary-ogolchunk, why not help us out? We encourage you to edit! As of December 5, 2024, Googology Wiki is now 16 years old and going strong!
(Googology in other languages: Česky · Deutsch · Español · Français · 日本語 · Nederlands · Русский · 한국어 · 中文 · Українська · Bahasa Melayu
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
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GoogolNews™
- March 11, 2025: We made the 33,333rd article, that's (almost) a third to a lakh!
- March 8, 2025: A 33,000th article was finally made, 2 weeks after the previous milestone!
- February 22, 2025: We made the 32,000th article!
- February 20, 2025: We made the 31,416th article, that's \(\lceil \pi\times 10000\rceil\)!
- February 16, 2025: 6 days after the last milestone, we've hit the 31,000th article!
- February 10, 2025: We celebrated a major milestone with the 30,000th article, 2 days after the previous milestone!!!
- February 8, 2025: A 29,000th article was made!
- February 2, 2025: In the midst of the article creation blowout, a 28,000th article was made!
- January 28, 2025: We managed to get to the 27,000th article! The article creation blowout territory continues…
- January 22, 2025: Malay Googology Wiki https://googologi.fandom.com/ms/wiki/Wikia_Googologi has been launched on Fandom.
- January 21, 2025: We managed to reach the 26,000th article!
- January 14, 2025: Here's a HUGE milestone! The 25,000th article, that's quarter to a lakh!
- January 13, 2025: 24,000th article after just a single day from the previous milestone! We're near a big milestone!
- January 12, 2025: We've hit the 23,000th article! The article creation blowout territory began!
- January 10, 2025: We made into the 22,222nd article!
- January 8, 2025: We reached the 22,000th article!
- January 7, 2025: Fandom announced that Googology Wiki would be migrated to MediaWiki 1.43 by April.
- January 1, 2025: Happy New Year, 2025!
- December 5, 2024: Googology Wiki turned 16 years old!
- November 29, 2024 We reached the 21,000-th article!
- November 17, 2024: Polish Googology Wiki https://googologia-po-polsku.fandom.com/pl/wiki/Googologia_Po_Polsku_Wiki has been launched on fandom.
- October 28, 2024: A Russian court ordered Google to pay compensation to blocked Russian state TV channels, amounting to 2 undecillion rubles.
- October 21, 2024: The new largest known prime, 2136,279,841-1 was discovered after nearly 6 years!
- 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!
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