Octononagintatrecentillion

An octononagintatrecentillion is equal to \(10^{1197}\) in the short scale and \(10^{2388}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 398th -illion number.
In the long scale, \(10^{1197}\) is called novenonagintacentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1197}\) (exact) 	\(1\times10^{1197}\) (exact)
Arrow notation 	\(10\uparrow 1197\) (exact) 	\(10\uparrow 1197\) (exact)
Steinhaus-Moser Notation 	450[3] 	451[3]
Chained arrow notation 	\(10\rightarrow 1197\) (exact) 	\(10\rightarrow 1197\) (exact)
Taro's multivariable Ackermann function	A(3,3973) 	A(3,3974)
BEAF & Bird's array notation 	{10,1197} (exact) 	{10,1197} (exact)
Hyper-E notation 	E1197 (exact) 	E1197 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(8)\) 	\(s(1)^3(\lambda x.x+1)(9)\)
m(n) map 	m(1)(450) 	m(1)(451)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(3964)\) 	\(f_2(3965)\)
Hardy hierarchy 	\(H_{\omega^2}(3964)\) 	\(H_{\omega^2}(3965)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2+\omega 9+7}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2+\omega 9+7}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2388}\) (exact) 	\(1\times10^{2388}\) (exact)
Arrow notation 	\(10\uparrow 2388\) (exact) 	\(10\uparrow 2388\) (exact)
Steinhaus-Moser Notation 	819[3] 	820[3]
Chained arrow notation 	\(10\rightarrow 2388\) (exact) 	\(10\rightarrow 2388\) (exact)
Taro's multivariable Ackermann function	A(3,7929) 	A(3,7930)
BEAF & Bird's array notation 	{10,2388} (exact) 	{10,2388} (exact)
Hyper-E notation 	E2388 (exact) 	E2388 (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)(819) 	m(1)(820)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7919)\) 	\(f_2(7920)\)
Hardy hierarchy 	\(H_{\omega^2}(7919)\) 	\(H_{\omega^2}(7920)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 8+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 8+8}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers