Sesquadragintasescentillion

A sesquadragintasescentillion is equal to \(10^{1941}\) in the short scale and \(10^{3876}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 646th -illion number.
In the long scale, \(10^{1941}\) is called tresvigintitrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1941}\) (exact) 	\(1\times10^{1941}\) (exact)
Arrow notation 	\(10\uparrow 1941\) (exact) 	\(10\uparrow 1941\) (exact)
Steinhaus-Moser Notation 	684[3] 	685[3]
Chained arrow notation 	\(10\rightarrow 1941\) (exact) 	\(10\rightarrow 1941\) (exact)
Taro's multivariable Ackermann function	A(3,6444) 	A(3,6445)
BEAF & Bird's array notation 	{10,1941} (exact) 	{10,1941} (exact)
Hyper-E notation 	E1941 (exact) 	E1941 (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)(684) 	m(1)(685)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6435)\) 	\(f_2(6436)\)
Hardy hierarchy 	\(H_{\omega^2}(6435)\) 	\(H_{\omega^2}(6436)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 9+\omega 4+1}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 9+\omega 4+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3876}\) (exact) 	\(1\times10^{3876}\) (exact)
Arrow notation 	\(10\uparrow 3876\) (exact) 	\(10\uparrow 3876\) (exact)
Steinhaus-Moser Notation 	1251[3] 	1252[3]
Chained arrow notation 	\(10\rightarrow 3876\) (exact) 	\(10\rightarrow 3876\) (exact)
Taro's multivariable Ackermann function	A(3,12872) 	A(3,12873)
BEAF & Bird's array notation 	{10,3876} (exact) 	{10,3876} (exact)
Hyper-E notation 	E3876 (exact) 	E3876 (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)(1251) 	m(1)(1252)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12862)\) 	\(f_2(12863)\)
Hardy hierarchy 	\(H_{\omega^2}(12862)\) 	\(H_{\omega^2}(12863)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 8+\omega 7+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 8+\omega 7+6}}(10)\) (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