Quattuortrigintasescentillion

A quattuortrigintasescentillion is equal to \(10^{1905}\) in the short scale and \(10^{3804}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 634th -illion number.
In the long scale, \(10^{1905}\) is called septendecitrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1905}\) (exact) 	\(1\times10^{1905}\) (exact)
Arrow notation 	\(10\uparrow 1905\) (exact) 	\(10\uparrow 1905\) (exact)
Steinhaus-Moser Notation 	673[3] 	674[3]
Chained arrow notation 	\(10\rightarrow 1905\) (exact) 	\(10\rightarrow 1905\) (exact)
Taro's multivariable Ackermann function	A(3,6325) 	A(3,6326)
BEAF & Bird's array notation 	{10,1905} (exact) 	{10,1905} (exact)
Hyper-E notation 	E1905 (exact) 	E1905 (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)(673) 	m(1)(674)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6315)\) 	\(f_2(6316)\)
Hardy hierarchy 	\(H_{\omega^2}(6315)\) 	\(H_{\omega^2}(6316)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 9+5}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 9+5}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3804}\) (exact) 	\(1\times10^{3804}\) (exact)
Arrow notation 	\(10\uparrow 3804\) (exact) 	\(10\uparrow 3804\) (exact)
Steinhaus-Moser Notation 	1230[3] 	1231[3]
Chained arrow notation 	\(10\rightarrow 3804\) (exact) 	\(10\rightarrow 3804\) (exact)
Taro's multivariable Ackermann function	A(3,12633) 	A(3,12634)
BEAF & Bird's array notation 	{10,3804} (exact) 	{10,3804} (exact)
Hyper-E notation 	E3804 (exact) 	E3804 (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)(1230) 	m(1)(1231)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(12622)\) 	\(f_2(12623)\)
Hardy hierarchy 	\(H_{\omega^2}(12622)\) 	\(H_{\omega^2}(12623)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 8+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 8+4}}(10)\) (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