Hexecillion

The hexecillion is equal to \(10^{3\left(10^{48}\right)+3}\) or \(10^{3\text{ quindecillion }3}\).Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers. It is 3×1048+4 digits long.
Hexecillion is also known as one millia^16tillion according to Landon Curt Noll's The English name of a number.
SuperJedi224 coined deutero-yoctillion for this number, and is equal to H(1048) 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 "hexeco-".
== Approximations in other notations ==
Notation 	Lower bound 	Upper bound
Arrow notation 	\(1000\uparrow(1+10\uparrow48)\) 	\(1000\uparrow(1+10\uparrow48)\)
Down-arrow notation 	\(1000\downarrow\downarrow17\) 	\(254\downarrow\downarrow21\)
Steinhaus-Moser Notation 	31[3][3] 	32[3][3]
Copy notation 	2[2[49]] 	3[3[49]]
H* function 	H(H(15)) 	H(H(15))
Taro's multivariable Ackermann function	A(3,A(3,159)) 	A(3,A(3,160))
Pound-Star Notation 	#*((1))*(0,4,5)*7 	#*((1))*(0,1)*17
BEAF 	{1000,1+{10,48}} 	{1000,1+{10,48}}
Hyper-E notation 	E(3+3E48) 	E(3+3E48)
Bashicu matrix system 	(0)(1)[12] 	(0)(1)[13]
Hyperfactorial array notation 	(39!)! 	(40!)!
Fast-growing hierarchy 	\(f_2(f_2(155))\) 	\(f_2(f_2(156))\)
Hardy hierarchy 	\(H_{\omega^22}(155)\) 	\(H_{\omega^22}(156)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega^{\omega4+8}3+3}}(10)\)	\(g_{\omega^{\omega^{\omega4+8}3+3}}(10)\)
== Sources ==
== See also ==
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 3
Category:Middle class 3
Category:Tier 2 -illion numbers