Untrigintaseptingentillion

An untrigintaseptingentillion is equal to \(10^{2196}\) in the short scale and \(10^{4386}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 731st -illion number.
In the long scale, \(10^{2196}\) is called sesexagintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2196}\) (exact) 	\(1\times10^{2196}\) (exact)
Arrow notation 	\(10\uparrow 2196\) (exact) 	\(10\uparrow 2196\) (exact)
Steinhaus-Moser Notation 	761[3] 	762[3]
Chained arrow notation 	\(10\rightarrow 2196\) (exact) 	\(10\rightarrow 2196\) (exact)
Taro's multivariable Ackermann function	A(3,7291) 	A(3,7292)
BEAF & Bird's array notation 	{10,2196} (exact) 	{10,2196} (exact)
Hyper-E notation 	E2196 (exact) 	E2196 (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)(761) 	m(1)(762)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7282)\) 	\(f_2(7283)\)
Hardy hierarchy 	\(H_{\omega^2}(7282)\) 	\(H_{\omega^2}(7283)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 9+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 9+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4386}\) (exact) 	\(1\times10^{4386}\) (exact)
Arrow notation 	\(10\uparrow 4386\) (exact) 	\(10\uparrow 4386\) (exact)
Steinhaus-Moser Notation 	1394[3] 	1395[3]
Chained arrow notation 	\(10\rightarrow 4386\) (exact) 	\(10\rightarrow 4386\) (exact)
Taro's multivariable Ackermann function	A(3,14566) 	A(3,14567)
BEAF & Bird's array notation 	{10,4386} (exact) 	{10,4386} (exact)
Hyper-E notation 	E4386 (exact) 	E4386 (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)(1394) 	m(1)(1395)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14556)\) 	\(f_2(14557)\)
Hardy hierarchy 	\(H_{\omega^2}(14556)\) 	\(H_{\omega^2}(14557)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 8+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 8+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers