Ennecillion

The ennecillion is equal to \(10^{3\left(10^{57}\right)+3}\) or \(10^{3\text{ octodecillion }+3}\).Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers. It is 3×1057+4 digits long.
Ennecillion is also known as one millia^19tillion according to Landon Curt Noll's The English name of a number.
== Etymology ==
The name of this number is based on the suffix "-illion" and the prefix "enneco-".
== Approximations in other notations ==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow57)\) 	\(1000\uparrow(1+10\uparrow57)\)
Down-arrow notation 	\(1000\downarrow\downarrow20\) 	\(39\downarrow\downarrow37\)
Steinhaus-Moser Notation 	35[3][3] 	36[3][3]
Copy notation 	2[2[58]] 	3[3[58]]
H* function 	H(H(18)) 	H(H(18))
Taro's multivariable Ackermann function	A(3,A(3,189)) 	A(3,A(3,190))
Pound-Star Notation 	#*((1))*(1,3,5,2)*6 	#*((1))*(0,5,5,10)*5
BEAF 	{1000,1+{10,57}} 	{1000,1+{10,57}}
Hyper-E notation 	E(3+3E57) 	E(3+3E57)
Bashicu matrix system 	(0)(1)[13] 	(0)(1)[14]
Hyperfactorial array notation 	(44!)! 	(45!)!
Fast-growing hierarchy 	\(f_2(f_2(185))\) 	\(f_2(f_2(186))\)
Hardy hierarchy 	\(H_{\omega^22}(185)\) 	\(H_{\omega^22}(186)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega5+7}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega5+7}3+3}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 3
Category:Middle class 3
Category:Tier 2 -illion numbers