Barrijillion

Barrijillion is equal to \(10^{3\times 10^{3\times 10^{3\times {10^{69}}}} + 3}\)Extended Tier 4 to 6 illions or \(10^{3\times 10^{3\times 10^{3\textrm{ duovigintillion}}} + 3}\) using the short scale definition of duovigintillion. The term was coined by CompactStar (formerly known as Nirvana Supermind) and is part of his unofficial extension of Bower's -illion system which ended at multillion. 
== Etymology ==
This name is derived from the addition of barrillion and gijillion.
== Approximations ==
Notation 	Expression
Up-arrow notation 	\(10 \uparrow (3 \times (10 \uparrow (3 \times (10 \uparrow (3\times 10\uparrow 69))))+3)\) (exact)
Chained arrow notation 	\(10 \rightarrow (3 \times (10 \rightarrow (3 \times (10 \uparrow (3\times 10\rightarrow 69))))+3)\) (exact)
H* function 	H(H(H(H(22)-1)-1))
BEAF 	\(\{10,\{3\times \{10,3 \times \{10,3\times \{10,69\}\}\}+3\}\}\) (exact)
Munafo's ASCII-lexicographic ordering	p3_e069_3
== Sources ==
* Extensible Illion System
Category:Numbers
Category:Class 5
Category:Illion
Category:Numbers and functions by CompactStar