Duosescentillion

A duosescentillion is equal to \(10^{1809}\) in the short scale and \(10^{3612}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 602nd -illion number.
In the long scale, \(10^{1809}\) is called untrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1809}\) (exact) 	\(1\times10^{1809}\) (exact)
Arrow notation 	\(10\uparrow 1809\) (exact) 	\(10\uparrow 1809\) (exact)
Steinhaus-Moser Notation 	644[3] 	645[3]
Chained arrow notation 	\(10\rightarrow 1809\) (exact) 	\(10\rightarrow 1809\) (exact)
Taro's multivariable Ackermann function	A(3,6006) 	A(3,6007)
BEAF & Bird's array notation 	{10,1809} (exact) 	{10,1809} (exact)
Hyper-E notation 	E1809 (exact) 	E1809 (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)(644) 	m(1)(645)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(5996)\) 	\(f_2(5997)\)
Hardy hierarchy 	\(H_{\omega^2}(5996)\) 	\(H_{\omega^2}(5997)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 8+9}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 8+9}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{3612}\) (exact) 	\(1\times10^{3612}\) (exact)
Arrow notation 	\(10\uparrow 3612\) (exact) 	\(10\uparrow 3612\) (exact)
Steinhaus-Moser Notation 	1176[3] 	1177[3]
Chained arrow notation 	\(10\rightarrow 3612\) (exact) 	\(10\rightarrow 3612\) (exact)
Taro's multivariable Ackermann function	A(3,11995) 	A(3,11996)
BEAF & Bird's array notation 	{10,3612} (exact) 	{10,3612} (exact)
Hyper-E notation 	E3612 (exact) 	E3612 (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)(1176) 	m(1)(1177)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(11985)\) 	\(f_2(11986)\)
Hardy hierarchy 	\(H_{\omega^2}(11985)\) 	\(H_{\omega^2}(11986)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega+2}}(10)\) (exact)	\(g_{\omega^{\omega^3 3+\omega^2 6+\omega+2}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers