Petafaxul

The petafaxul (also called faxulquinquenekFactorial Array Notation - Extremely big numbers) is equal to terafaxul!, ((((faxul!)!)!)!)! or (((((200!)!)!)!)!)!Lawrence Hollom's large numbers site, or 200!6 using Nested Factorial Notation. The term was coined by Lawrence Hollom.
== Etymology ==
The name of this number is based on SI prefix "peta-" and the number "faxul".
== Approximations in other notations ==
Notation 	Approximation
Scientific notation 	\(10^{10^{10^{10^{10^{10^{377}}}}}}\)
Up-arrow notation 	\(10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 10 \uparrow 377\)
Chained arrow notation	\(10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow (10 \rightarrow 377)))))\)
BEAF 	\(\{10,\{10,\{10,\{10,\{10,\{10,377\}\}\}\}\}\}\)
Hyper-E notation 	\(\text{E}377.4701159159172\#6\)
Fast-growing hierarchy	\(f^6_2(1242)\)
Hardy hierarchy 	\(H_{(\omega^2) 6}(200)\)
Slow-growing hierarchy	\(g_{\omega^{\omega^{\omega^{\omega^{\omega^{\omega^\omega}}}}}}(200)\)
== Conversion ==
(PetaFaxul)\(!\) = Exafaxul
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Lawrence Hollom
Category:Orders of symmetric groups
Category:Tetration level
Category:Factorial numbers