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Googology Wiki

Pen-hyperon is equal to 100{X}100{X}100{X}100{X}100 = 100{X+1}5 in X-Sequence Hyper-Exponential Notation.[1] The name was coined by SuperJedi224.

Approximations in other notations

Notation Approximation
BEAF \(\{100,5,1,2\}\) (exact)
Bird's array notation \(\{100,5,1,2\}\) (exact)
Hyper-E notation \(E100\#\#100\#4\)
Chained arrow notation \(100\rightarrow 100\rightarrow 5\rightarrow 2\)
Fast-growing hierarchy \(f_{\omega}(f_{\omega}(f_{\omega}(f_{101}(100))))\)


See also

SuperJedi224's X-Sequence Hyper-Exponential Notation Numbers

Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers