Septensexagintaoctingentillion

A septensexagintaoctingentillion is equal to \(10^{2604}\) in the short scale and \(10^{5202}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 867th -illion number.
In the long scale, \(10^{2604}\) is called quattuortrigintaquadringentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2604}\) (exact) 	\(1\times10^{2604}\) (exact)
Arrow notation 	\(10\uparrow 2604\) (exact) 	\(10\uparrow 2604\) (exact)
Steinhaus-Moser Notation 	883[3] 	884[3]
Chained arrow notation 	\(10\rightarrow 2604\) (exact) 	\(10\rightarrow 2604\) (exact)
Taro's multivariable Ackermann function	A(3,8647) 	A(3,8648)
BEAF & Bird's array notation 	{10,2604} (exact) 	{10,2604} (exact)
Hyper-E notation 	E2604 (exact) 	E2604 (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)(883) 	m(1)(884)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8637)\) 	\(f_2(8638)\)
Hardy hierarchy 	\(H_{\omega^2}(8637)\) 	\(H_{\omega^2}(8638)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 6+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 6+4}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5202}\) (exact) 	\(1\times10^{5202}\) (exact)
Arrow notation 	\(10\uparrow 5202\) (exact) 	\(10\uparrow 5202\) (exact)
Steinhaus-Moser Notation 	1620[3] 	1621[3]
Chained arrow notation 	\(10\rightarrow 5202\) (exact) 	\(10\rightarrow 5202\) (exact)
Taro's multivariable Ackermann function	A(3,17277) 	A(3,17278)
BEAF & Bird's array notation 	{10,5202} (exact) 	{10,5202} (exact)
Hyper-E notation 	E5202 (exact) 	E5202 (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)(1620) 	m(1)(1621)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(17266)\) 	\(f_2(17267)\)
Hardy hierarchy 	\(H_{\omega^2}(17266)\) 	\(H_{\omega^2}(17267)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 2+2}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 2+2}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers