Grand hexofaxul

Grand hexofaxul is equal to (((...(((200!4)!4)!4)!4)...)!4 (with hexofaxul ()'s) in Hyperfactorial array notation. The term was coined by Lawrence Hollom.Lawrence Hollom's large number site
=== Etymology ===
The name of this number is based on the word "grand" and the number "hexofaxul".
===Approximations in other notations===
Notation 	Approximation
Hyper-E notation 	\(\textrm E10\#10\#10\#10\#198\#(\textrm E10\#10\#10\#10\#198)\#2\)
Up-arrow notation 	\(10 \uparrow^6 (10 \uparrow^5 198))\)
Chained arrow notation	\(10 \rightarrow (10 \rightarrow 198 \rightarrow 5) \rightarrow 6\)
BEAF 	\(\{10,\{10,198,5\},6\}\)
Fast-growing hierarchy	\(f_7(f_6(200))\)
Hardy hierarchy 	\(H_{\omega^7+\omega^6}(200)\)
Slow-growing hierarchy	\(g_{\varphi(5,\varphi(4,0))}(200)\)
===Sources===
=== See also ===
Category:Numbers
Category:Numbers by Lawrence Hollom
Category:Factorial numbers
Category:Up-arrow notation level
Category:Powers of 200