Petillion

Petillion is equal to \(10^{3 \times 10^{3 \times 10^{15}}+3}\), or \(10^{3 \times 10^{3\textrm{ quadrillion}} + 3}\) using the short scale definition of quadrillion.Illion Numbers by Jonathan Bowers The term was coined by Jonathan Bowers.
=== Etymology ===
The name of this number is based on the suffix "-illion" and SI prefix "peta-".
=== Approximations in other notations ===
Notation 	Approximation
Up-arrow notation 	\(10 \uparrow (3 \times (10 \uparrow (3 \times (10 \uparrow 15)))+3)\) (exact)
Chained arrow notation	\(10 \rightarrow (3 \times (10 \rightarrow (3 \times (10 \uparrow 15)))+3)\) (exact)
BEAF 	\(\{10,\{3\times \{10,3 \times \{10,15\}\}+3\}\}\) (exact)
Fast-growing Hierarchy	\(f_2^3(47)\)
=== Sources ===
=== See also ===
Category: Tier 3 -illion numbers
Category:Numbers
Category:Numbers by Jonathan Bowers
Category:Illion
Category:Class 4