Octoquinquagintaseptingentillion

An octoquinquagintaseptingentillion is equal to \(10^{2277}\) in the short scale and \(10^{4548}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 758th -illion number.
In the long scale, \(10^{2277}\) is called novenseptuagintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2277}\) (exact) 	\(1\times10^{2277}\) (exact)
Arrow notation 	\(10\uparrow 2277\) (exact) 	\(10\uparrow 2277\) (exact)
Steinhaus-Moser Notation 	786[3] 	787[3]
Chained arrow notation 	\(10\rightarrow 2277\) (exact) 	\(10\rightarrow 2277\) (exact)
Taro's multivariable Ackermann function	A(3,7561) 	A(3,7562)
BEAF & Bird's array notation 	{10,2277} (exact) 	{10,2277} (exact)
Hyper-E notation 	E2277 (exact) 	E2277 (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)(786) 	m(1)(787)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7551)\) 	\(f_2(7552)\)
Hardy hierarchy 	\(H_{\omega^2}(7551)\) 	\(H_{\omega^2}(7552)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 2+\omega 7+7}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 2+\omega 7+7}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4548}\) (exact) 	\(1\times10^{4548}\) (exact)
Arrow notation 	\(10\uparrow 4548\) (exact) 	\(10\uparrow 4548\) (exact)
Steinhaus-Moser Notation 	1439[3] 	1440[3]
Chained arrow notation 	\(10\rightarrow 4548\) (exact) 	\(10\rightarrow 4548\) (exact)
Taro's multivariable Ackermann function	A(3,15105) 	A(3,15106)
BEAF & Bird's array notation 	{10,4548} (exact) 	{10,4548} (exact)
Hyper-E notation 	E4548 (exact) 	E4548 (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)(1439) 	m(1)(1440)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(15094)\) 	\(f_2(15095)\)
Hardy hierarchy 	\(H_{\omega^2}(15094)\) 	\(H_{\omega^2}(15095)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 5+\omega 4+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 5+\omega 4+8}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers