Vigintiseptingentillion

A vigintiseptingentillion is equal to \(10^{2163}\) in the short scale and \(10^{4320}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 720th -illion number.
In the long scale, \(10^{2163}\) is called sexagintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2163}\) (exact) 	\(1\times10^{2163}\) (exact)
Arrow notation 	\(10\uparrow 2163\) (exact) 	\(10\uparrow 2163\) (exact)
Steinhaus-Moser Notation 	752[3] 	753[3]
Chained arrow notation 	\(10\rightarrow 2163\) (exact) 	\(10\rightarrow 2163\) (exact)
Taro's multivariable Ackermann function	A(3,7182) 	A(3,7183)
BEAF & Bird's array notation 	{10,2163} (exact) 	{10,2163} (exact)
Hyper-E notation 	E2163 (exact) 	E2163 (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)(752) 	m(1)(753)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7172)\) 	\(f_2(7173)\)
Hardy hierarchy 	\(H_{\omega^2}(7172)\) 	\(H_{\omega^2}(7173)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 6+3}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 6+3}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4320}\) (exact) 	\(1\times10^{4320}\) (exact)
Arrow notation 	\(10\uparrow 4320\) (exact) 	\(10\uparrow 4320\) (exact)
Steinhaus-Moser Notation 	1376[3] 	1377[3]
Chained arrow notation 	\(10\rightarrow 4320\) (exact) 	\(10\rightarrow 4320\) (exact)
Taro's multivariable Ackermann function	A(3,14347) 	A(3,14348)
BEAF & Bird's array notation 	{10,4320} (exact) 	{10,4320} (exact)
Hyper-E notation 	E4320 (exact) 	E4320 (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)(1376) 	m(1)(1377)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14336)\) 	\(f_2(14337)\)
Hardy hierarchy 	\(H_{\omega^2}(14336)\) 	\(H_{\omega^2}(14337)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 2}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 3+\omega 2}}(10)\) (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