Septenonagintaseptingentillion

A septenonagintaseptingentillion is equal to \(10^{2394}\) in the short scale and \(10^{4782}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 797th -illion number.
In the long scale, \(10^{2394}\) is called novenonagintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2394}\) (exact) 	\(1\times10^{2394}\) (exact)
Arrow notation 	\(10\uparrow 2394\) (exact) 	\(10\uparrow 2394\) (exact)
Steinhaus-Moser Notation 	821[3] 	822[3]
Chained arrow notation 	\(10\rightarrow 2394\) (exact) 	\(10\rightarrow 2394\) (exact)
Taro's multivariable Ackermann function	A(3,7949) 	A(3,7950)
BEAF & Bird's array notation 	{10,2394} (exact) 	{10,2394} (exact)
Hyper-E notation 	E2394 (exact) 	E2394 (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)(821) 	m(1)(822)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7939)\) 	\(f_2(7940)\)
Hardy hierarchy 	\(H_{\omega^2}(7939)\) 	\(H_{\omega^2}(7940)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 9+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 3+\omega 9+4}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4782}\) (exact) 	\(1\times10^{4782}\) (exact)
Arrow notation 	\(10\uparrow 4782\) (exact) 	\(10\uparrow 4782\) (exact)
Steinhaus-Moser Notation 	1504[3] 	1505[3]
Chained arrow notation 	\(10\rightarrow 4782\) (exact) 	\(10\rightarrow 4782\) (exact)
Taro's multivariable Ackermann function	A(3,15882) 	A(3,15883)
BEAF & Bird's array notation 	{10,4782} (exact) 	{10,4782} (exact)
Hyper-E notation 	E4782 (exact) 	E4782 (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)(1504) 	m(1)(1505)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(15871)\) 	\(f_2(15872)\)
Hardy hierarchy 	\(H_{\omega^2}(15871)\) 	\(H_{\omega^2}(15872)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 7+\omega 8+2}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 7+\omega 8+2}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers