Dupercoxal

The Dupercoxal is 10(≡≡`2) = 10Equinoxal Equinoxal-1 Equinoxal-2 Equinoxal-3 ... 3 2     using Dual Percoxy Notation. This means that the number is equal to a power tower of 10, followed by every integer from Equinoxal to 2. The term was coined by Matthew Tainsh in 2016.

Etymology
The name of this number is based on Equinoxal, "percoxy" and "du".