Hectillion

The hectillion is equal to \(10^{3\left(10^{300}\right)+3}\), \(10^{3\text{ novenonagintillion }3}\).Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers.
Hectillion is also known as one millia^100tillion according to Landon Curt Noll.Landon Curt Noll, The English name of a number.
== Etymology ==
The name of this number is based on the suffix "-illion" and SI prefix "hecto-".
== Approximations in other notations ==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow300)\) 	\(1000\uparrow(1+10\uparrow300)\)
Down-arrow notation 	\(1000\downarrow\downarrow101\) 	\(934\downarrow\downarrow102\)
Steinhaus-Moser Notation 	139[3][3] 	140[3][3]
Copy notation 	2[2[301]] 	3[3[301]]
H* function 	H(H(99)) 	H(H(99))
Taro's multivariable Ackermann function	A(3,A(3,996)) 	A(3,A(3,997))
Pound-Star Notation 	#*((1))*((363))*8 	#*((1))*((364))*8
BEAF 	{1000,1+{10,300}} 	{1000,1+{10,300}}
Hyper-E notation 	E(3+3E300) 	E(3+3E300)
Bashicu matrix system 	(0)(1)[31] 	(0)(1)[32]
Hyperfactorial array notation 	(166!)! 	(167!)!
Fast-growing hierarchy 	\(f_2(f_2(989))\) 	\(f_2(f_2(990))\)
Hardy hierarchy 	\(H_{\omega^22}(989)\) 	\(H_{\omega^22}(990)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega^23}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega^23}3+3}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 3
Category:Greek-based name
Category:Upper class 3
Category:Tier 2 -illion numbers