Pentecillion

The pentecillion is equal to \(10^{3\left(10^{45}\right)+3}\) or \(10^{3\text{ quattuordecillion }3}\).Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers. It is 3×1045+4 digits long.
Pentecillion is also known as one millia^15tillion according to Landon Curt Noll's The English name of a number.
SuperJedi224 coined zepto-yoctillion for this number, and is equal to H(1045) 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 "penteco-".
== Approximations in other notations ==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow45)\) 	\(1000\uparrow(1+10\uparrow45)\)
Down-arrow notation 	\(1000\downarrow\downarrow16\) 	\(652\downarrow\downarrow17\)
Steinhaus-Moser Notation 	29[3][3] 	30[3][3]
Copy notation 	2[2[46]] 	3[3[46]]
H* function 	H(H(14)) 	H(H(14))
Taro's multivariable Ackermann function	A(3,A(3,149)) 	A(3,A(3,150))
Pound-Star Notation 	#*((1))*(9,7)*10 	#*((1))*(4,0,2,8)*4
BEAF 	{1000,1+{10,45}} 	{1000,1+{10,45}}
Hyper-E notation 	E(3+3E45) 	E(3+3E45)
Bashicu matrix system 	(0)(1)[12] 	(0)(1)[13]
Hyperfactorial array notation 	(37!)! 	(38!)!
Fast-growing hierarchy 	\(f_2(f_2(145))\) 	\(f_2(f_2(146))\)
Hardy hierarchy 	\(H_{\omega^22}(145)\) 	\(H_{\omega^22}(146)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega4+5}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega4+5}3+3}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 3
Category:Middle class 3
Category:Tier 2 -illion numbers