Beengulus is equal to {10,100 (0,0,4) 2} in BEAF. Its structural array has 1001002*4 entries total. The term was coined by Jonathan Bowers.[1]


The name of this number is based on Latin prefix "bi-" and the number "geengulus".


Notation Approximation
Bird's array notation \(\{10,100 [1,1,5] 2\}\)
Cascading-E notation \(\textrm{E}100\#\text{^}\#\text{^}\#\#\#4\)
Hyperfactorial Array Notation \(100![1,[1,[1,4,3],1,2],1,3]\)
Fast-growing hierarchy \(f_{\omega^{\omega^{(\omega^2) 4}}}(100)\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{(\omega^2) 4}}}}(100)\)
Slow-growing hierarchy \(g_{\vartheta(\Omega^{\Omega^{\Omega^23+\Omega\omega}})}(100)\)


  1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.

See also

Community content is available under CC-BY-SA unless otherwise noted.