Trecillion

Trecillion is equal to \(10^{3\left(10^{39}\right)+3}\), or \(10^{3\text{ duodecillion }3}\).Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers. It is 3×1039+4 digits long.
Trecillion is also known as one milliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliamilliatillion according to Landon Curt Noll's The English name of a number.
SuperJedi224 coined femto-yoctillion for this number, and is equal to H(1039) using H* function.-Illions - Almost Infinite (retrieved 2021-05-02 01:14 UTC)
== Etymology ==
The name of this number is based on the suffix "-illion" and the prefix "treco-".
== Approximations in other notations ==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow39)\) 	\(1000\uparrow(1+10\uparrow39)\)
Down-arrow notation 	\(1000\downarrow\downarrow14\) 	\(402\downarrow\downarrow16\)
Steinhaus-Moser Notation 	26[3][3] 	27[3][3]
Copy notation 	2[2[40]] 	3[3[40]]
H* function 	H(H(12)) 	H(H(12))
Taro's multivariable Ackermann function	A(3,A(3,129)) 	A(3,A(3,130))
Pound-Star Notation 	#*((1))*(5,1,4)*6 	#*((1))*(2,4,0,3)*4
BEAF & Bird's array notation 	{1000,1+{10,39}} 	{1000,1+{10,39}}
Hyper-E notation 	E(3+3E39) 	E(3+3E39)
Bashicu matrix system 	(0)(1)[11] 	(0)(1)[12]
Hyperfactorial array notation 	(33!)! 	(34!)!
Fast-growing hierarchy 	\(f_2(f_2(125))\) 	\(f_2(f_2(126))\)
Hardy hierarchy 	\(H_{\omega^22}(125)\) 	\(H_{\omega^22}(126)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega3+9}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega3+9}3+3}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 3
Category:Middle class 3
Category:Tier 2 -illion numbers