Quintrigintasescentillion

A quintrigintasescentillion is equal to \(10^{1908}\) in the short scale and \(10^{3810}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 635th -illion number.
In the long scale, \(10^{1908}\) is called octodecitrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1908}\) (exact) 	\(1\times10^{1908}\) (exact)
Arrow notation 	\(10\uparrow 1908\) (exact) 	\(10\uparrow 1908\) (exact)
Steinhaus-Moser Notation 	674[3] 	675[3]
Chained arrow notation 	\(10\rightarrow 1908\) (exact) 	\(10\rightarrow 1908\) (exact)
Taro's multivariable Ackermann function	A(3,6335) 	A(3,6336)
BEAF & Bird's array notation 	{10,1908} (exact) 	{10,1908} (exact)
Hyper-E notation 	E1908 (exact) 	E1908 (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)(674) 	m(1)(675)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6325)\) 	\(f_2(6326)\)
Hardy hierarchy 	\(H_{\omega^2}(6325)\) 	\(H_{\omega^2}(6326)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 9+8}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 9+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3810}\) (exact) 	\(1\times10^{3810}\) (exact)
Arrow notation 	\(10\uparrow 3810\) (exact) 	\(10\uparrow 3810\) (exact)
Steinhaus-Moser Notation 	1232[3] 	1233[3]
Chained arrow notation 	\(10\rightarrow 3810\) (exact) 	\(10\rightarrow 3810\) (exact)
Taro's multivariable Ackermann function	A(3,12653) 	A(3,12654)
BEAF & Bird's array notation 	{10,3810} (exact) 	{10,3810} (exact)
Hyper-E notation 	E3810 (exact) 	E3810 (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)(1232) 	m(1)(1233)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12642)\) 	\(f_2(12643)\)
Hardy hierarchy 	\(H_{\omega^2}(12642)\) 	\(H_{\omega^2}(12643)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 8+\omega}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 8+\omega}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers