Unsexagintatrecentillion

An unsexagintatrecentillion is equal to \(10^{1086}\) in the short scale and \(10^{2166}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 361st -illion number.
In the long scale, \(10^{1086}\) is called unoctogintacentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1086}\) (exact) 	\(1\times10^{1086}\) (exact)
Arrow notation 	\(10\uparrow 1086\) (exact) 	\(10\uparrow 1086\) (exact)
Steinhaus-Moser Notation 	414[3] 	415[3]
Chained arrow notation 	\(10\rightarrow 1086\) (exact) 	\(10\rightarrow 1086\) (exact)
Taro's multivariable Ackermann function	A(3,3604) 	A(3,3605)
BEAF & Bird's array notation 	{10,1086} (exact) 	{10,1086} (exact)
Hyper-E notation 	E1086 (exact) 	E1086 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(8)\) 	\(s(1)^3(\lambda x.x+1)(9)\)
m(n) map 	m(1)(414) 	m(1)(415)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(3595)\) 	\(f_2(3596)\)
Hardy hierarchy 	\(H_{\omega^2}(3595)\) 	\(H_{\omega^2}(3596)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega 8+6}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega 8+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2166}\) (exact) 	\(1\times10^{2166}\) (exact)
Arrow notation 	\(10\uparrow 2166\) (exact) 	\(10\uparrow 2166\) (exact)
Steinhaus-Moser Notation 	752[3] 	753[3]
Chained arrow notation 	\(10\rightarrow 2166\) (exact) 	\(10\rightarrow 2166\) (exact)
Taro's multivariable Ackermann function	A(3,7192) 	A(3,7193)
BEAF & Bird's array notation 	{10,2166} (exact) 	{10,2166} (exact)
Hyper-E notation 	E2166 (exact) 	E2166 (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)(752) 	m(1)(753)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7182)\) 	\(f_2(7183)\)
Hardy hierarchy 	\(H_{\omega^2}(7182)\) 	\(H_{\omega^2}(7183)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 6+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 6+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Powers of 10 with squarefree exponent
Category:Tier 1 -illion numbers