Duokillillion

is equal to \(10^{6\times \left(10^{3,000}\right)+3}\).Sbiis Saibian, 2.4.8 Jonathan Bowers' 4 Tiered -illion Series Retrieved 2021-07-31. The term was coined by Sbiis Saibian.
== Approximations in other notations ==
Notation 	Approximation
Arrow notation 	\(1\,000\uparrow(2 \times 10\uparrow3\,000 + 1)\) (exact)
Chained arrow notation 	\(1\,000 \rightarrow (2 \times 10 \rightarrow 3\,000 + 1)\) (exact)
H* function 	\(\textrm H(2 \textrm H(999))\) (exact)
Hyper-E notation 	E(6E3000+3) (exact)
Bashicu matrix system (with respect to version 2.3)	(0)(1)[99]
Fast-growing hierarchy 	\(f_2^2(9\,956)\)
== Sources ==
Category:Numbers
Category:Tier 3 -illion numbers
Category:Class 3
Category:Greek-based name
Category:Illion
Category:Numbers by Sbiis Saibian
Category:Upper class 3