Undecioctingentillion

An undecioctingentillion is equal to \(10^{2436}\) in the short scale and \(10^{4866}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 811th -illion number.
In the long scale, \(10^{2436}\) is called sesquadringentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2436}\) (exact) 	\(1\times10^{2436}\) (exact)
Arrow notation 	\(10\uparrow 2436\) (exact) 	\(10\uparrow 2436\) (exact)
Steinhaus-Moser Notation 	833[3] 	834[3]
Chained arrow notation 	\(10\rightarrow 2436\) (exact) 	\(10\rightarrow 2436\) (exact)
Taro's multivariable Ackermann function	A(3,8089) 	A(3,8090)
BEAF & Bird's array notation 	{10,2436} (exact) 	{10,2436} (exact)
Hyper-E notation 	E2436 (exact) 	E2436 (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)(833) 	m(1)(834)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8079)\) 	\(f_2(8080)\)
Hardy hierarchy 	\(H_{\omega^2}(8079)\) 	\(H_{\omega^2}(8080)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 4+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 4+\omega 3+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4866}\) (exact) 	\(1\times10^{4866}\) (exact)
Arrow notation 	\(10\uparrow 4866\) (exact) 	\(10\uparrow 4866\) (exact)
Steinhaus-Moser Notation 	1528[3] 	1529[3]
Chained arrow notation 	\(10\rightarrow 4866\) (exact) 	\(10\rightarrow 4866\) (exact)
Taro's multivariable Ackermann function	A(3,16161) 	A(3,16162)
BEAF & Bird's array notation 	{10,4866} (exact) 	{10,4866} (exact)
Hyper-E notation 	E4866 (exact) 	E4866 (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)(1528) 	m(1)(1529)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(16150)\) 	\(f_2(16151)\)
Hardy hierarchy 	\(H_{\omega^2}(16150)\) 	\(H_{\omega^2}(16151)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 8+\omega 6+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 8+\omega 6+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers