Sesquinquagintasescentillion

A sesquinquagintasescentillion is equal to \(10^{1971}\) in the short scale and \(10^{3936}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 656th -illion number.
In the long scale, \(10^{1971}\) is called octovigintitrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1971}\) (exact) 	\(1\times10^{1971}\) (exact)
Arrow notation 	\(10\uparrow 1971\) (exact) 	\(10\uparrow 1971\) (exact)
Steinhaus-Moser Notation 	693[3] 	694[3]
Chained arrow notation 	\(10\rightarrow 1971\) (exact) 	\(10\rightarrow 1971\) (exact)
Taro's multivariable Ackermann function	A(3,6544) 	A(3,6545)
BEAF & Bird's array notation 	{10,1971} (exact) 	{10,1971} (exact)
Hyper-E notation 	E1971 (exact) 	E1971 (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)(693) 	m(1)(694)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6534)\) 	\(f_2(6535)\)
Hardy hierarchy 	\(H_{\omega^2}(6534)\) 	\(H_{\omega^2}(6535)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 9+\omega 7+1}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 9+\omega 7+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3936}\) (exact) 	\(1\times10^{3936}\) (exact)
Arrow notation 	\(10\uparrow 3936\) (exact) 	\(10\uparrow 3936\) (exact)
Steinhaus-Moser Notation 	1268[3] 	1269[3]
Chained arrow notation 	\(10\rightarrow 3936\) (exact) 	\(10\rightarrow 3936\) (exact)
Taro's multivariable Ackermann function	A(3,13072) 	A(3,13073)
BEAF & Bird's array notation 	{10,3936} (exact) 	{10,3936} (exact)
Hyper-E notation 	E3936 (exact) 	E3936 (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)(1268) 	m(1)(1269)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(13061)\) 	\(f_2(13062)\)
Hardy hierarchy 	\(H_{\omega^2}(13061)\) 	\(H_{\omega^2}(13062)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 9+\omega 3+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 9+\omega 3+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers