Quinvigintiseptingentillion

A quinvigintiseptingentillion is equal to \(10^{2178}\) in the short scale and \(10^{4350}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 725th -illion number.
In the long scale, \(10^{2178}\) is called tresexagintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2178}\) (exact) 	\(1\times10^{2178}\) (exact)
Arrow notation 	\(10\uparrow 2178\) (exact) 	\(10\uparrow 2178\) (exact)
Steinhaus-Moser Notation 	756[3] 	757[3]
Chained arrow notation 	\(10\rightarrow 2178\) (exact) 	\(10\rightarrow 2178\) (exact)
Taro's multivariable Ackermann function	A(3,7232) 	A(3,7233)
BEAF & Bird's array notation 	{10,2178} (exact) 	{10,2178} (exact)
Hyper-E notation 	E2178 (exact) 	E2178 (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)(756) 	m(1)(757)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7222)\) 	\(f_2(7223)\)
Hardy hierarchy 	\(H_{\omega^2}(7222)\) 	\(H_{\omega^2}(7223)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 7+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 7+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4350}\) (exact) 	\(1\times10^{4350}\) (exact)
Arrow notation 	\(10\uparrow 4350\) (exact) 	\(10\uparrow 4350\) (exact)
Steinhaus-Moser Notation 	1384[3] 	1385[3]
Chained arrow notation 	\(10\rightarrow 4350\) (exact) 	\(10\rightarrow 4350\) (exact)
Taro's multivariable Ackermann function	A(3,14447) 	A(3,14448)
BEAF & Bird's array notation 	{10,4350} (exact) 	{10,4350} (exact)
Hyper-E notation 	E4350 (exact) 	E4350 (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)(1384) 	m(1)(1385)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14436)\) 	\(f_2(14437)\)
Hardy hierarchy 	\(H_{\omega^2}(14436)\) 	\(H_{\omega^2}(14437)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 5}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 5}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers