11,329
pages

Xennossolplex is equal to $$\lbrace 10,\text{xennossol} (9) 2 \rbrace$$ in BEAF.[1] The term was coined by Jonathan Bowers.

## Etymology

The name of this number is based on suffix "-plex" and the number "xennossol".

## Approximations

Notation Approximation
Fast-growing hierarchy $$f^2_{\omega^{\omega^9} }(10)$$

## Sources

1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.