Ogdonto-ennaelgathor is equal to E100#^(#^#^9*#)80 using Cascading-E Notation. The term was coined by Sbiis Saibian. Sources ↑ Saibian, Sbiis. 4.3.5 Cascading-E Numbers. One to Infinity. Retrieved 2016-09-09. See also Ennaelgathor regiment Retrieved from "https://googology.wikia.org/wiki/Ogdonto-ennaelgathor?oldid=319506" Categories: Numbers Numbers by Sbiis Saibian Cascading-E numbers Double exponentiated polynomial omega level Community content is available under CC-BY-SA unless otherwise noted.