en.wikipedia.org/wiki/Graham%27s_number

Graham's number is an enormous number that arises as an upper bound on the answer of a ... At the time of its introduction, it was the largest specific positive integer ever to have been used in a published ... And so forth, for a number of times far exceeding the total number of particles in the observable universe.

en.wikipedia.org/wiki/Large_number_(disambiguation)

A large number or the largest number are terms that may refer to: Large numbers, for notations to exactly specify very large numbers; Names of large numbers, ...

io9.com/5807256/whats-the-biggest-number-in-the-universe

Jun 1, 2011 ... When I say "the biggest number in the universe", what I really mean is the biggest meaningful number, the largest possible number that is in ...

www.googolplexian.com

Googolplexian: The world's largest number (biggest) with a name. The number One - followed by a googolplex of zeros.

www.scienceonthenet.eu/content/article/tommaso-maccacaro/largest-number-universe/october-2012

Oct 11, 2012 ... Googol. It is a large number, unimaginably large. It is easy to write in exponential format: 10100, an extremely compact method, to easily ...

strangehorizons.com/non-fiction/articles/the-biggest-numbers-in-the-universe

What's the biggest number you've ever seen? Think about it fondly for a moment, because it's going to be blown away. Yes, you can always add one. Yes, you ...

zidbits.com/2011/01/what-is-the-largest-number

Jan 11, 2011 ... Today we look at Graham's number. The largest number ever used. ... large, that if you took all the known material and matter in the universe, ...

www.mathscareers.org.uk/article/whats-biggest-number

However, there's a long way to go before we even catch up with the scale of our place in the universe, let alone the dizzyingly gigantic numbers mathematicians ...

blogs.scientificamerican.com/roots-of-unity/grahame28099s-number-is-too-big-for-me-to-tell-you-how-big-it-is

Apr 1, 2014 ... The largest known prime number has over 17 million digits. A googolplex is 10 raised to the googol power, so it has approximately a googol ...