Milliontriplex

A millionduplex is equal to 1010 10 1,000,000  = \(10^{10^{10^{10^{6 }}} }\)\, or E6#4 in Hyper-E notation.[1] It is equal to one followed by a maximusmillion (also known as millionplex) zeros.

A millionduplex is the boundary between class 3 and class 4 numbers in Robert Munafo's idea[2] - see class for more.

Aarex Tiaokhiao calls this number goob-holplex.[3]

Etymology Edit
The name came from the name "million" plus the suffix "-triplex" from googolduplex, meaning 1010 x.