Meicosillion

Meicosillion is equal to \(10^{3\left(10^{63}\right)+3}\) or \(10^{3\text{ vigintillion }3}\).Aarex's googology Chapter 3 archived 2016-04-11 The term was coined by Aarex Tiaokhiao.
==Approximations==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow63)\) 	\(1000\uparrow(1+10\uparrow63)\)
Down-arrow notation 	\(1000\downarrow\downarrow22\) 	\(551\downarrow\downarrow24\)
Steinhaus-Moser Notation 	38[3][3] 	39[3][3]
Copy notation 	2[2[64]] 	3[3[64]]
H* function 	H(H(20)) 	H(H(20))
Taro's multivariable Ackermann function	A(3,A(3,209)) 	A(3,A(3,210))
Pound-Star Notation 	#*((1))*(11,6)*14 	#*((1))*(6,2,1,1,1)*5
BEAF 	{1000,1+{10,63}} 	{1000,1+{10,63}}
Hyper-E notation 	E(3+3E63) 	E(3+3E63)
Bashicu matrix system 	(0)(1)[14] 	(0)(1)[15]
Hyperfactorial array notation 	(48!)! 	(49!)!
Fast-growing hierarchy 	\(f_2(f_2(204))\) 	\(f_2(f_2(205))\)
Hardy hierarchy 	\(H_{\omega^22}(204)\) 	\(H_{\omega^22}(205)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega6+3}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega6+3}3+3}}(10)\)
== Sources ==
Category:Numbers
Category:Illion
Category:Greek-based name
Category:Class 3
Category:Middle class 3
Category:Numbers by Aarex Tiaokhiao
Category:Tier 2 -illion numbers