Quinquagintasescentillion

A quinquagintasescentillion is equal to \(10^{1953}\) in the short scale and \(10^{3900}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 650th -illion number.
In the long scale, \(10^{1953}\) is called quinvigintitrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1953}\) (exact) 	\(1\times10^{1953}\) (exact)
Arrow notation 	\(10\uparrow 1953\) (exact) 	\(10\uparrow 1953\) (exact)
Steinhaus-Moser Notation 	688[3] 	689[3]
Chained arrow notation 	\(10\rightarrow 1953\) (exact) 	\(10\rightarrow 1953\) (exact)
Taro's multivariable Ackermann function	A(3,6484) 	A(3,6485)
BEAF & Bird's array notation 	{10,1953} (exact) 	{10,1953} (exact)
Hyper-E notation 	E1953 (exact) 	E1953 (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)(688) 	m(1)(689)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6475)\) 	\(f_2(6476)\)
Hardy hierarchy 	\(H_{\omega^2}(6475)\) 	\(H_{\omega^2}(6476)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 9+\omega 5+3}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 9+\omega 5+3}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3900}\) (exact) 	\(1\times10^{3900}\) (exact)
Arrow notation 	\(10\uparrow 3900\) (exact) 	\(10\uparrow 3900\) (exact)
Steinhaus-Moser Notation 	1258[3] 	1259[3]
Chained arrow notation 	\(10\rightarrow 3900\) (exact) 	\(10\rightarrow 3900\) (exact)
Taro's multivariable Ackermann function	A(3,12952) 	A(3,12953)
BEAF & Bird's array notation 	{10,3900} (exact) 	{10,3900} (exact)
Hyper-E notation 	E3900 (exact) 	E3900 (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)(1258) 	m(1)(1259)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12941)\) 	\(f_2(12942)\)
Hardy hierarchy 	\(H_{\omega^2}(12941)\) 	\(H_{\omega^2}(12942)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 9}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 9}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers