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 20,579 articles since December 5, 2008. If you're fascinated by numbers like goxxol or bex5illion, 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:
- 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™
- 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!
- 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