Quattuorquinquagintaducentillion

A quattuorquinquagintaducentillion is equal to \(10^{765}\) in the short scale and \(10^{1524}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 254th -illion number.
In the long scale, \(10^{765}\) is called septemviginticentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{765}\) (exact) 	\(1\times10^{765}\) (exact)
Arrow notation 	\(10\uparrow 765\) (exact) 	\(10\uparrow 765\) (exact)
Steinhaus-Moser Notation 	307[3] 	308[3]
Chained arrow notation 	\(10\rightarrow 765\) (exact) 	\(10\rightarrow 765\) (exact)
Taro's multivariable Ackermann function	A(3,2538) 	A(3,2539)
BEAF & Bird's array notation 	{10,765} (exact) 	{10,765} (exact)
Hyper-E notation 	E765 (exact) 	E765 (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)(307) 	m(1)(308)
Bashicu matrix system 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[31] 	(0)(0)(0)(0)(0)(0)(0)(0)(0)[32]
Fast-growing hierarchy 	\(f_2(2529)\) 	\(f_2(2530)\)
Hardy hierarchy 	\(H_{\omega^2}(2529)\) 	\(H_{\omega^2}(2530)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^2 7+\omega 6+5}}(10)\) (exact)	\(g_{\omega^{\omega^2 7+\omega 6+5}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1524}\) (exact) 	\(1\times10^{1524}\) (exact)
Arrow notation 	\(10\uparrow 1524\) (exact) 	\(10\uparrow 1524\) (exact)
Steinhaus-Moser Notation 	555[3] 	556[3]
Chained arrow notation 	\(10\rightarrow 1524\) (exact) 	\(10\rightarrow 1524\) (exact)
Taro's multivariable Ackermann function	A(3,5059) 	A(3,5060)
BEAF & Bird's array notation 	{10,1524} (exact) 	{10,1524} (exact)
Hyper-E notation 	E1524 (exact) 	E1524 (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)(555) 	m(1)(556)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(5050)\) 	\(f_2(5051)\)
Hardy hierarchy 	\(H_{\omega^2}(5050)\) 	\(H_{\omega^2}(5051)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 5+\omega 2+4}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 5+\omega 2+4}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 101 to 999 digits
Category:Tier 1 -illion numbers