Quattuornonagintasescentillion

A quattuornonagintasescentillion is equal to \(10^{2085}\) in the short scale and \(10^{4164}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 694th -illion number.
In the long scale, \(10^{2085}\) is called septenquadragintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2085}\) (exact) 	\(1\times10^{2085}\) (exact)
Arrow notation 	\(10\uparrow 2085\) (exact) 	\(10\uparrow 2085\) (exact)
Steinhaus-Moser Notation 	728[3] 	729[3]
Chained arrow notation 	\(10\rightarrow 2085\) (exact) 	\(10\rightarrow 2085\) (exact)
Taro's multivariable Ackermann function	A(3,6923) 	A(3,6924)
BEAF & Bird's array notation 	{10,2085} (exact) 	{10,2085} (exact)
Hyper-E notation 	E2085 (exact) 	E2085 (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)(728) 	m(1)(729)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6913)\) 	\(f_2(6914)\)
Hardy hierarchy 	\(H_{\omega^2}(6913)\) 	\(H_{\omega^2}(6914)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega 8+5}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega 8+5}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4164}\) (exact) 	\(1\times10^{4164}\) (exact)
Arrow notation 	\(10\uparrow 4164\) (exact) 	\(10\uparrow 4164\) (exact)
Steinhaus-Moser Notation 	1332[3] 	1333[3]
Chained arrow notation 	\(10\rightarrow 4164\) (exact) 	\(10\rightarrow 4164\) (exact)
Taro's multivariable Ackermann function	A(3,13829) 	A(3,13830)
BEAF & Bird's array notation 	{10,4164} (exact) 	{10,4164} (exact)
Hyper-E notation 	E4164 (exact) 	E4164 (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)(1332) 	m(1)(1333)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(13818)\) 	\(f_2(13819)\)
Hardy hierarchy 	\(H_{\omega^2}(13818)\) 	\(H_{\omega^2}(13819)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2+\omega 6+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2+\omega 6+4}}(10)\) (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