Untrigintanongentillion

An untrigintanongentillion is equal to \(10^{2796}\) in the short scale and \(10^{5586}\) in the long scale by the and 's naming systemConway and Guy. (1995) "The book of Numbers" Copernicus as it is the 931st -illion number.
In the long scale, \(10^{2796}\) is called sesexagintaquadringentillion.
==Approximations==
For the short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{2796}\) (exact) 	\(1\times10^{2796}\) (exact)
Arrow notation 	\(10\uparrow 2796\) (exact) 	\(10\uparrow 2796\) (exact)
Steinhaus-Moser Notation 	940[3] 	941[3]
Chained arrow notation 	\(10\rightarrow 2796\) (exact) 	\(10\rightarrow 2796\) (exact)
Taro's multivariable Ackermann function	A(3,9285) 	A(3,9286)
BEAF & Bird's array notation 	{10,2796} (exact) 	{10,2796} (exact)
Hyper-E notation 	E2796 (exact) 	E2796 (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)(940) 	m(1)(941)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(9274)\) 	\(f_2(9275)\)
Hardy hierarchy 	\(H_{\omega^2}(9274)\) 	\(H_{\omega^2}(9275)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 2+\omega^2 7+\omega 9+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 2+\omega^2 7+\omega 9+6}}(10)\) (exact)
For the long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{5586}\) (exact) 	\(1\times10^{5586}\) (exact)
Arrow notation 	\(10\uparrow 5586\) (exact) 	\(10\uparrow 5586\) (exact)
Steinhaus-Moser Notation 	1725[3] 	1726[3]
Chained arrow notation 	\(10\rightarrow 5586\) (exact) 	\(10\rightarrow 5586\) (exact)
Taro's multivariable Ackermann function	A(3,18553) 	A(3,18554)
BEAF & Bird's array notation 	{10,5586} (exact) 	{10,5586} (exact)
Hyper-E notation 	E5586 (exact) 	E5586 (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)(1725) 	m(1)(1726)
Bashicu matrix system 	(0)(1)[3] 	(0)(1)[4]
Fast-growing hierarchy 	\(f_2(18542)\) 	\(f_2(18543)\)
Hardy hierarchy 	\(H_{\omega^2}(18542)\) 	\(H_{\omega^2}(18543)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^3 5+\omega^2 5+\omega 8+6}}(10)\) (exact)	\(g_{\omega^{\omega^3 5+\omega^2 5+\omega 8+6}}(10)\) (exact)
== Sources ==
== See also ==
Category:Numbers
Category:Class 2
Category:Illion
Category:Numbers with 1000 to 1000000 digits
Category:Tier 1 -illion numbers