The quadrongulus is equal to {10,100 (0,0,0,0,1) 2} = 1001004 & 10 in BEAF.[1] The term was coined by Jonathan Bowers.


The name of this number is based on Latin prefix "quadri-" and the number "gongulus".


Notation Approximation
Bird's array notation \(\{10,100 [1,1,1,1,2] 2\}\)
Cascading-E notation \(E100\#\text{^}\#\text{^}\#\#\#\#100\)
Hyperfactorial Array Notation \(100![1,[1,[1,1,5],1,2],1,3]\)
X-Sequence Hyper-Exponential Notation \(10\{X^{X^{X^4}}\}100\)
Fast-growing hierarchy \(f_{\omega^{\omega^{\omega^4}}}(100)\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{\omega^4}}}}(100)\)
Slow-growing hierarchy \(g_{\vartheta(\Omega^{\Omega^{\Omega^3\omega}})}(100)\)


  1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.

See also

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