Quinducentillion

A quinducentillion is equal to \(10^{618}\) in the short scale and \(10^{1230}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 205th -illion number.
In the long scale, \(10^{618}\) is called trescentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{618}\) (exact) 	\(1\times10^{618}\) (exact)
Arrow notation 	\(10\uparrow 618\) (exact) 	\(10\uparrow 618\) (exact)
Steinhaus-Moser Notation 	256[3] 	257[3]
Chained arrow notation 	\(10\rightarrow 618\) (exact) 	\(10\rightarrow 618\) (exact)
Taro's multivariable Ackermann function	A(3,2049) 	A(3,2050)
BEAF & Bird's array notation 	{10,618} (exact) 	{10,618} (exact)
Hyper-E notation 	E618 (exact) 	E618 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(7)\) 	\(s(1)^3(\lambda x.x+1)(8)\)
m(n) map 	m(1)(256) 	m(1)(257)
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[16] 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[17]
Fast-growing hierarchy 	\(f_2(2041)\) 	\(f_2(2042)\)
Hardy hierarchy 	\(H_{\omega^2}(2041)\) 	\(H_{\omega^2}(2042)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^2 6+\omega+8}}(10)\) (exact)	\(g_{\omega^{\omega^2 6+\omega+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1230}\) (exact) 	\(1\times10^{1230}\) (exact)
Arrow notation 	\(10\uparrow 1230\) (exact) 	\(10\uparrow 1230\) (exact)
Steinhaus-Moser Notation 	461[3] 	462[3]
Chained arrow notation 	\(10\rightarrow 1230\) (exact) 	\(10\rightarrow 1230\) (exact)
Taro's multivariable Ackermann function	A(3,4082) 	A(3,4083)
BEAF & Bird's array notation 	{10,1230} (exact) 	{10,1230} (exact)
Hyper-E notation 	E1230 (exact) 	E1230 (exact)
s(n) map 	\(s(1)^3(\lambda x.x+1)(8)\) 	\(s(1)^3(\lambda x.x+1)(9)\)
m(n) map 	m(1)(461) 	m(1)(462)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(4073)\) 	\(f_2(4074)\)
Hardy hierarchy 	\(H_{\omega^2}(4073)\) 	\(H_{\omega^2}(4074)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 2+\omega 3}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 2+\omega 3}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 101 to 999 digits
Category:Powers of 10 with squarefree exponent
Category:Tier 1 -illion numbers