Quinseptuagintasescentillion

A quinseptuagintasescentillion is equal to \(10^{2028}\) in the short scale and \(10^{4050}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 675th -illion number.
In the long scale, \(10^{2028}\) is called octotrigintatrecentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2028}\) (exact) 	\(1\times10^{2028}\) (exact)
Arrow notation 	\(10\uparrow 2028\) (exact) 	\(10\uparrow 2028\) (exact)
Steinhaus-Moser Notation 	711[3] 	712[3]
Chained arrow notation 	\(10\rightarrow 2028\) (exact) 	\(10\rightarrow 2028\) (exact)
Taro's multivariable Ackermann function	A(3,6733) 	A(3,6734)
BEAF & Bird's array notation 	{10,2028} (exact) 	{10,2028} (exact)
Hyper-E notation 	E2028 (exact) 	E2028 (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)(711) 	m(1)(712)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(6724)\) 	\(f_2(6725)\)
Hardy hierarchy 	\(H_{\omega^2}(6724)\) 	\(H_{\omega^2}(6725)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega 2+8}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega 2+8}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4050}\) (exact) 	\(1\times10^{4050}\) (exact)
Arrow notation 	\(10\uparrow 4050\) (exact) 	\(10\uparrow 4050\) (exact)
Steinhaus-Moser Notation 	1300[3] 	1301[3]
Chained arrow notation 	\(10\rightarrow 4050\) (exact) 	\(10\rightarrow 4050\) (exact)
Taro's multivariable Ackermann function	A(3,13450) 	A(3,13451)
BEAF & Bird's array notation 	{10,4050} (exact) 	{10,4050} (exact)
Hyper-E notation 	E4050 (exact) 	E4050 (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)(1300) 	m(1)(1301)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(13440)\) 	\(f_2(13441)\)
Hardy hierarchy 	\(H_{\omega^2}(13440)\) 	\(H_{\omega^2}(13441)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega 5}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega 5}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers