an Entity in Data Space: 134.155.108.49:8890
The tetra-endekaxis is equal to E1#1#1#1#1#1#1#1#1#4 using Hyper-E notation. The term was coined by Sbiis Saibian. In up-arrow notation, this number is equal to \(10 \uparrow^{10} 4\) or 10 doedecated to 4.