Hayden

Hayden is equal to 999[999] in Steinhaus-Moser Notation. The term was coined by googology user HaydenTheGoogologist2009.https://sites.google.com/view/haydens-big-numbers/ultimate-list-of-numbers/haydens-big-numbers
== Approximations ==
== Sources ==
Category:Numbers
Category:Numbers by HaydenTheGoogologist2009
Category:Up-arrow notation level
Category:Powers of 3