Unseptuagintasescentillion

An unseptuagintasescentillion is equal to \(10^{2016}\) in the short scale and \(10^{4026}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 671st -illion number.
In the long scale, \(10^{2016}\) is called sestrigintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2016}\) (exact) 	\(1\times10^{2016}\) (exact)
Arrow notation 	\(10\uparrow 2016\) (exact) 	\(10\uparrow 2016\) (exact)
Steinhaus-Moser Notation 	707[3] 	708[3]
Chained arrow notation 	\(10\rightarrow 2016\) (exact) 	\(10\rightarrow 2016\) (exact)
Taro's multivariable Ackermann function	A(3,6694) 	A(3,6695)
BEAF & Bird's array notation 	{10,2016} (exact) 	{10,2016} (exact)
Hyper-E notation 	E2016 (exact) 	E2016 (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)(707) 	m(1)(708)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6684)\) 	\(f_2(6685)\)
Hardy hierarchy 	\(H_{\omega^2}(6684)\) 	\(H_{\omega^2}(6685)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4026}\) (exact) 	\(1\times10^{4026}\) (exact)
Arrow notation 	\(10\uparrow 4026\) (exact) 	\(10\uparrow 4026\) (exact)
Steinhaus-Moser Notation 	1293[3] 	1294[3]
Chained arrow notation 	\(10\rightarrow 4026\) (exact) 	\(10\rightarrow 4026\) (exact)
Taro's multivariable Ackermann function	A(3,13371) 	A(3,13372)
BEAF & Bird's array notation 	{10,4026} (exact) 	{10,4026} (exact)
Hyper-E notation 	E4026 (exact) 	E4026 (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)(1293) 	m(1)(1294)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(13360)\) 	\(f_2(13361)\)
Hardy hierarchy 	\(H_{\omega^2}(13360)\) 	\(H_{\omega^2}(13361)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega 2+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega 2+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers