Undeciseptingentillion

An undeciseptingentillion is equal to \(10^{2136}\) in the short scale and \(10^{4266}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 711th -illion number.
In the long scale, \(10^{2136}\) is called sesquinquagintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2136}\) (exact) 	\(1\times10^{2136}\) (exact)
Arrow notation 	\(10\uparrow 2136\) (exact) 	\(10\uparrow 2136\) (exact)
Steinhaus-Moser Notation 	743[3] 	744[3]
Chained arrow notation 	\(10\rightarrow 2136\) (exact) 	\(10\rightarrow 2136\) (exact)
Taro's multivariable Ackermann function	A(3,7092) 	A(3,7093)
BEAF & Bird's array notation 	{10,2136} (exact) 	{10,2136} (exact)
Hyper-E notation 	E2136 (exact) 	E2136 (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)(743) 	m(1)(744)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7082)\) 	\(f_2(7083)\)
Hardy hierarchy 	\(H_{\omega^2}(7082)\) 	\(H_{\omega^2}(7083)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 3+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4266}\) (exact) 	\(1\times10^{4266}\) (exact)
Arrow notation 	\(10\uparrow 4266\) (exact) 	\(10\uparrow 4266\) (exact)
Steinhaus-Moser Notation 	1361[3] 	1362[3]
Chained arrow notation 	\(10\rightarrow 4266\) (exact) 	\(10\rightarrow 4266\) (exact)
Taro's multivariable Ackermann function	A(3,14168) 	A(3,14169)
BEAF & Bird's array notation 	{10,4266} (exact) 	{10,4266} (exact)
Hyper-E notation 	E4266 (exact) 	E4266 (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)(1361) 	m(1)(1362)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14157)\) 	\(f_2(14158)\)
Hardy hierarchy 	\(H_{\omega^2}(14157)\) 	\(H_{\omega^2}(14158)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 2+\omega 6+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 2+\omega 6+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers