Barretillion

The barretillion is equal to \(10^{3\cdot 10^{3\cdot 10^{3\cdot{10^{87}}}} + 3}\)Extended Tier 4 to 6 illions or \(10^{3\cdot 10^{3\cdot 10^{3\cdot\text{octovigintillion}}} + 3}\) using the short scale definition of octovigintillion. The term was coined by Nirvana Supermind and is part of his unofficial extension of Bower's -illion system which ended at multillion. 
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== Etymology ==
This name is derived from the addition of barrillion and betillion.
== Approximations ==
Notation 	Expression
Up-arrow notation 	\(10 \uparrow (3 \times (10 \uparrow (3 \times (10 \uparrow (3\times 10\uparrow 87))))+3)\) (exact)
Chained arrow notation 	\(10 \rightarrow (3 \times (10 \rightarrow (3 \times (10 \uparrow (3\times 10\rightarrow 87))))+3)\) (exact)
H* function 	?
BEAF 	\(\{10,\{3\times \{10,3 \times \{10,3\times\{10,87\}\}\}+3\}\}\) (exact)
Munafo's ASCII-lexicographic ordering	p3_e078_3
== Sources ==
== See also ==
* Extensible Illion System
Category:Numbers
Category:Class 5
Category:Illion
Category:Numbers and functions by CompactStar