Quinvigintiquadringentillion

A quinvigintiquadringentillion is equal to \(10^{1278}\) in the short scale and \(10^{2550}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 425th -illion number.
In the long scale, \(10^{1278}\) is called tredeciducentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{1278}\) (exact) 	\(1\times10^{1278}\) (exact)
Arrow notation 	\(10\uparrow 1278\) (exact) 	\(10\uparrow 1278\) (exact)
Steinhaus-Moser Notation 	477[3] 	478[3]
Chained arrow notation 	\(10\rightarrow 1278\) (exact) 	\(10\rightarrow 1278\) (exact)
Taro's multivariable Ackermann function	A(3,4242) 	A(3,4243)
BEAF & Bird's array notation 	{10,1278} (exact) 	{10,1278} (exact)
Hyper-E notation 	E1278 (exact) 	E1278 (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)(477) 	m(1)(478)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(4233)\) 	\(f_2(4234)\)
Hardy hierarchy 	\(H_{\omega^2}(4233)\) 	\(H_{\omega^2}(4234)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3+\omega^2 2+\omega 7+8}}(10)\) (exact)	\(g_{\omega^{\omega^3+\omega^2 2+\omega 7+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2550}\) (exact) 	\(1\times10^{2550}\) (exact)
Arrow notation 	\(10\uparrow 2550\) (exact) 	\(10\uparrow 2550\) (exact)
Steinhaus-Moser Notation 	867[3] 	868[3]
Chained arrow notation 	\(10\rightarrow 2550\) (exact) 	\(10\rightarrow 2550\) (exact)
Taro's multivariable Ackermann function	A(3,8467) 	A(3,8468)
BEAF & Bird's array notation 	{10,2550} (exact) 	{10,2550} (exact)
Hyper-E notation 	E2550 (exact) 	E2550 (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)(867) 	m(1)(868)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(8457)\) 	\(f_2(8458)\)
Hardy hierarchy 	\(H_{\omega^2}(8457)\) 	\(H_{\omega^2}(8458)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 5+\omega 5}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 5+\omega 5}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers