A millionquadriplex is equal to \(10^{10^{10^{10^{1,000,000}}}}\) or E6#5 in Hyper-E notation.[1] This number serves as a boundary between class-5 numbers and class-6 numbers.
Googology Wiki user DeepLineMadom calls this number Dioxin, and it is the 7th number of Flenary of Ukrainian Town.[2]
Approximations in other notations[]
| Notation | Approximation |
|---|---|
| Fast-growing hierarchy | \(f^5_2(17)\) |