Septemvigintiseptingentillion

A septemvigintiseptingentillion is equal to \(10^{2184}\) in the short scale and \(10^{4362}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 727th -illion number.
In the long scale, \(10^{2184}\) is called quattuorsexagintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2184}\) (exact) 	\(1\times10^{2184}\) (exact)
Arrow notation 	\(10\uparrow 2184\) (exact) 	\(10\uparrow 2184\) (exact)
Steinhaus-Moser Notation 	758[3] 	759[3]
Chained arrow notation 	\(10\rightarrow 2184\) (exact) 	\(10\rightarrow 2184\) (exact)
Taro's multivariable Ackermann function	A(3,7252) 	A(3,7253)
BEAF & Bird's array notation 	{10,2184} (exact) 	{10,2184} (exact)
Hyper-E notation 	E2184 (exact) 	E2184 (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)(758) 	m(1)(759)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7242)\) 	\(f_2(7243)\)
Hardy hierarchy 	\(H_{\omega^2}(7242)\) 	\(H_{\omega^2}(7243)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 8+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 8+4}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4362}\) (exact) 	\(1\times10^{4362}\) (exact)
Arrow notation 	\(10\uparrow 4362\) (exact) 	\(10\uparrow 4362\) (exact)
Steinhaus-Moser Notation 	1388[3] 	1389[3]
Chained arrow notation 	\(10\rightarrow 4362\) (exact) 	\(10\rightarrow 4362\) (exact)
Taro's multivariable Ackermann function	A(3,14487) 	A(3,14488)
BEAF & Bird's array notation 	{10,4362} (exact) 	{10,4362} (exact)
Hyper-E notation 	E4362 (exact) 	E4362 (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)(1388) 	m(1)(1389)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14476)\) 	\(f_2(14477)\)
Hardy hierarchy 	\(H_{\omega^2}(14476)\) 	\(H_{\omega^2}(14477)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 6+2}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 6+2}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers