Exafaxul

Exafaxul (also called faxulsexaenekFactorial Array Notation - Extremely big numbers) is equal to petafaxul!, (((((faxul!)!)!)!)!)! or ((((((200!)!)!)!)!)!)!Lawrence Hollom's large numbers site, or 200!7 using Nested Factorial Notation. The term was coined by Lawrence Hollom.
== Etymology ==
The name of this number is based on SI prefix "exa-" and the number "faxul".
== Approximations in other notations ==
Notation 	Approximation
Scientific notation 	\(10^{10^{10^{10^{10^{10^{10^{377}}}}}}}\)
Up-arrow notation 	\(170\uparrow\uparrow8\)
Chained arrow notation	\(170\rightarrow8\rightarrow2\)
BEAF 	\(\{170,8,2\}\)
Hyper-E notation 	\(\text{E}377.4701159159172\#7\)
Fast-growing hierarchy	\(f_{2}^{7}(1\,242)\)
Hardy hierarchy 	\(H_{\omega^2\times 7}(1\,235)\)
Slow-growing hierarchy	\(g_{\omega\uparrow\uparrow8}(170)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Lawrence Hollom
Category:Orders of symmetric groups
Category:Tetration level
Category:Factorial numbers