Quattuornonagintaoctingentillion

A quattuornonagintaoctingentillion is equal to \(10^{2685}\) in the short scale and \(10^{5364}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 894th -illion number.
In the long scale, \(10^{2685}\) is called septenquadragintaquadringentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2685}\) (exact) 	\(1\times10^{2685}\) (exact)
Arrow notation 	\(10\uparrow 2685\) (exact) 	\(10\uparrow 2685\) (exact)
Steinhaus-Moser Notation 	907[3] 	908[3]
Chained arrow notation 	\(10\rightarrow 2685\) (exact) 	\(10\rightarrow 2685\) (exact)
Taro's multivariable Ackermann function	A(3,8916) 	A(3,8917)
BEAF & Bird's array notation 	{10,2685} (exact) 	{10,2685} (exact)
Hyper-E notation 	E2685 (exact) 	E2685 (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)(907) 	m(1)(908)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8906)\) 	\(f_2(8907)\)
Hardy hierarchy 	\(H_{\omega^2}(8906)\) 	\(H_{\omega^2}(8907)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 6+\omega 8+5}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 6+\omega 8+5}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5364}\) (exact) 	\(1\times10^{5364}\) (exact)
Arrow notation 	\(10\uparrow 5364\) (exact) 	\(10\uparrow 5364\) (exact)
Steinhaus-Moser Notation 	1665[3] 	1666[3]
Chained arrow notation 	\(10\rightarrow 5364\) (exact) 	\(10\rightarrow 5364\) (exact)
Taro's multivariable Ackermann function	A(3,17815) 	A(3,17816)
BEAF & Bird's array notation 	{10,5364} (exact) 	{10,5364} (exact)
Hyper-E notation 	E5364 (exact) 	E5364 (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)(1665) 	m(1)(1666)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(17804)\) 	\(f_2(17805)\)
Hardy hierarchy 	\(H_{\omega^2}(17804)\) 	\(H_{\omega^2}(17805)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 3+\omega 6+4}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 3+\omega 6+4}}(10)\) (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