The epto-tethrahexon is equal to E100(#^^#^6)^#7 using Extended Cascading-E Notation. The term was coined by Sbiis Saibian. Sources ↑ Saibian, Sbiis. 4.3.8 Extended Cascading-E Numbers Part II. One to Infinity. Retrieved 2017-01-22. Retrieved from "https://googology.wikia.org/wiki/Epto-tethrahexon?oldid=172327" Categories: Numbers Numbers by Sbiis Saibian Extended Cascading-E numbers Binary phi level Community content is available under CC-BY-SA unless otherwise noted.