Grand pentofaxul

The grand pentofaxul is equal to (((...(((200!3)!3)!3)!3)...)!3 (with pentofaxul ()'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 "pentofaxul".
===Approximations in other notations===
Notation 	Approximation
Hyper-E notation 	\(E10\#10\#10\#197\#(E10\#10\#10\#197)\#2\)
Up-arrow notation 	\(10 \uparrow^5 (10 \uparrow^4 198)\)
Chained arrow notation	\(10 \rightarrow (10 \rightarrow 198 \rightarrow 4) \rightarrow 5\)
BEAF 	\(\{10,\{10,198,4\},5\}\)
Fast-growing hierarchy	\(f_6(f_5(200))\)
Hardy hierarchy 	\(H_{\omega^6+\omega^5}(200)\)
Slow-growing hierarchy	\(g_{\phi(4,\phi(3,0))}(200)\)
===Sources===
=== See also ===
Category:Numbers
Category:Numbers by Lawrence Hollom
Category:Factorial numbers
Category:Up-arrow notation level
Category:Powers of 200