Onii-chan-Giant

Onii-chan-Giant is equal to E100#^^#^#^^#^#^^#^ ... #^^#^#100 (100 #^^#'s) in Extended Cascading-E Notation. The term was coined by googology user HaydenTheGoogologist2009.Hayden's Big Numbers. Retrieved 2022-08-24. This number appears to be similar to Hayden-Giant (E100(#^^#)^(#^^#)^(#^^#)^ ... (#^^#)^#100 (100 #^^#'s)) except the parentheses have been removed this time which makes this number much larger than Hayden-Giant. It is slightly larger than pentacthulhum.
==Etymology==
"Onii-chan" means an elder brother in Japan. It is used for the third person when a person (especially a child) calls an elder brother, and also when an adult person calls a child (especially one who the adult person does not know).
==Sources==
Category:Numbers
Category:Numbers by HaydenTheGoogologist2009
Category:Extended Cascading-E numbers
Category:Binary phi level
Category:Japanese-related number