Octooctogintaseptingentillion

An octooctogintaseptingentillion is equal to \(10^{2367}\) in the short scale and \(10^{4728}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 788th -illion number.
In the long scale, \(10^{2367}\) is called quattuornonagintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2367}\) (exact) 	\(1\times10^{2367}\) (exact)
Arrow notation 	\(10\uparrow 2367\) (exact) 	\(10\uparrow 2367\) (exact)
Steinhaus-Moser Notation 	813[3] 	814[3]
Chained arrow notation 	\(10\rightarrow 2367\) (exact) 	\(10\rightarrow 2367\) (exact)
Taro's multivariable Ackermann function	A(3,7860) 	A(3,7861)
BEAF & Bird's array notation 	{10,2367} (exact) 	{10,2367} (exact)
Hyper-E notation 	E2367 (exact) 	E2367 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(9)\) 	\(s(1)^3(\lambda x.x+1)(10)\)
m(n) map 	m(1)(813) 	m(1)(814)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7850)\) 	\(f_2(7851)\)
Hardy hierarchy 	\(H_{\omega^2}(7850)\) 	\(H_{\omega^2}(7851)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 6+7}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 6+7}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4728}\) (exact) 	\(1\times10^{4728}\) (exact)
Arrow notation 	\(10\uparrow 4728\) (exact) 	\(10\uparrow 4728\) (exact)
Steinhaus-Moser Notation 	1489[3] 	1490[3]
Chained arrow notation 	\(10\rightarrow 4728\) (exact) 	\(10\rightarrow 4728\) (exact)
Taro's multivariable Ackermann function	A(3,15703) 	A(3,15704)
BEAF & Bird's array notation 	{10,4728} (exact) 	{10,4728} (exact)
Hyper-E notation 	E4728 (exact) 	E4728 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(10)\) 	\(s(1)^3(\lambda x.x+1)(11)\)
m(n) map 	m(1)(1489) 	m(1)(1490)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(15692)\) 	\(f_2(15693)\)
Hardy hierarchy 	\(H_{\omega^2}(15692)\) 	\(H_{\omega^2}(15693)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 7+\omega 2+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 7+\omega 2+8}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers