Unsexagintanongentillion

An unsexagintanongentillion is equal to \(10^{2886}\) in the short scale and \(10^{5766}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 961st -illion number.
In the long scale, \(10^{2886}\) is called unoctogintaquadringentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2886}\) (exact) 	\(1\times10^{2886}\) (exact)
Arrow notation 	\(10\uparrow 2886\) (exact) 	\(10\uparrow 2886\) (exact)
Steinhaus-Moser Notation 	966[3] 	967[3]
Chained arrow notation 	\(10\rightarrow 2886\) (exact) 	\(10\rightarrow 2886\) (exact)
Taro's multivariable Ackermann function	A(3,9584) 	A(3,9585)
BEAF & Bird's array notation 	{10,2886} (exact) 	{10,2886} (exact)
Hyper-E notation 	E2886 (exact) 	E2886 (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)(966) 	m(1)(967)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(9573)\) 	\(f_2(9574)\)
Hardy hierarchy 	\(H_{\omega^2}(9573)\) 	\(H_{\omega^2}(9574)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 8+\omega 8+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 8+\omega 8+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5766}\) (exact) 	\(1\times10^{5766}\) (exact)
Arrow notation 	\(10\uparrow 5766\) (exact) 	\(10\uparrow 5766\) (exact)
Steinhaus-Moser Notation 	1774[3] 	1775[3]
Chained arrow notation 	\(10\rightarrow 5766\) (exact) 	\(10\rightarrow 5766\) (exact)
Taro's multivariable Ackermann function	A(3,19151) 	A(3,19152)
BEAF & Bird's array notation 	{10,5766} (exact) 	{10,5766} (exact)
Hyper-E notation 	E5766 (exact) 	E5766 (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)(1774) 	m(1)(1775)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(19140)\) 	\(f_2(19141)\)
Hardy hierarchy 	\(H_{\omega^2}(19140)\) 	\(H_{\omega^2}(19141)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 7+\omega 6+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 7+\omega 6+6}}(10)\) (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