Sedeciseptingentillion

A sedeciseptingentillion is equal to \(10^{2151}\) in the short scale and \(10^{4296}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 716th -illion number.
In the long scale, \(10^{2151}\) is called octoquinquagintatrecentilliard.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2151}\) (exact) 	\(1\times10^{2151}\) (exact)
Arrow notation 	\(10\uparrow 2151\) (exact) 	\(10\uparrow 2151\) (exact)
Steinhaus-Moser Notation 	748[3] 	749[3]
Chained arrow notation 	\(10\rightarrow 2151\) (exact) 	\(10\rightarrow 2151\) (exact)
Taro's multivariable Ackermann function	A(3,7142) 	A(3,7143)
BEAF & Bird's array notation 	{10,2151} (exact) 	{10,2151} (exact)
Hyper-E notation 	E2151 (exact) 	E2151 (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)(748) 	m(1)(749)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(7132)\) 	\(f_2(7133)\)
Hardy hierarchy 	\(H_{\omega^2}(7132)\) 	\(H_{\omega^2}(7133)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2+\omega 5+1}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2+\omega 5+1}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{4296}\) (exact) 	\(1\times10^{4296}\) (exact)
Arrow notation 	\(10\uparrow 4296\) (exact) 	\(10\uparrow 4296\) (exact)
Steinhaus-Moser Notation 	1369[3] 	1370[3]
Chained arrow notation 	\(10\rightarrow 4296\) (exact) 	\(10\rightarrow 4296\) (exact)
Taro's multivariable Ackermann function	A(3,14268) 	A(3,14269)
BEAF & Bird's array notation 	{10,4296} (exact) 	{10,4296} (exact)
Hyper-E notation 	E4296 (exact) 	E4296 (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)(1369) 	m(1)(1370)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(14257)\) 	\(f_2(14258)\)
Hardy hierarchy 	\(H_{\omega^2}(14257)\) 	\(H_{\omega^2}(14258)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 4+\omega^2 2+\omega 9+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 4+\omega^2 2+\omega 9+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers