Octononagintaoctingentillion

An octononagintaoctingentillion is equal to \(10^{2697}\) in the short scale and \(10^{5388}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 898th -illion number.
In the long scale, \(10^{2697}\) is called novenquadragintaquadringentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2697}\) (exact) 	\(1\times10^{2697}\) (exact)
Arrow notation 	\(10\uparrow 2697\) (exact) 	\(10\uparrow 2697\) (exact)
Steinhaus-Moser Notation 	911[3] 	912[3]
Chained arrow notation 	\(10\rightarrow 2697\) (exact) 	\(10\rightarrow 2697\) (exact)
Taro's multivariable Ackermann function	A(3,8956) 	A(3,8957)
BEAF & Bird's array notation 	{10,2697} (exact) 	{10,2697} (exact)
Hyper-E notation 	E2697 (exact) 	E2697 (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)(911) 	m(1)(912)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8946)\) 	\(f_2(8947)\)
Hardy hierarchy 	\(H_{\omega^2}(8946)\) 	\(H_{\omega^2}(8947)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 6+\omega 9+7}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 6+\omega 9+7}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5388}\) (exact) 	\(1\times10^{5388}\) (exact)
Arrow notation 	\(10\uparrow 5388\) (exact) 	\(10\uparrow 5388\) (exact)
Steinhaus-Moser Notation 	1671[3] 	1672[3]
Chained arrow notation 	\(10\rightarrow 5388\) (exact) 	\(10\rightarrow 5388\) (exact)
Taro's multivariable Ackermann function	A(3,17895) 	A(3,17896)
BEAF & Bird's array notation 	{10,5388} (exact) 	{10,5388} (exact)
Hyper-E notation 	E5388 (exact) 	E5388 (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)(1671) 	m(1)(1672)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(17884)\) 	\(f_2(17885)\)
Hardy hierarchy 	\(H_{\omega^2}(17884)\) 	\(H_{\omega^2}(17885)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 3+\omega 8+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 3+\omega 8+8}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Powers of 10 with squarefree exponent
Category:Tier 1 -illion numbers