Hyper-pen-exitillion is equal to H(16165) = H(161048576), where H(x) equals 103x+3.[1] The name was coined by SuperJedi224.


Notation Lower bound Upper bound
Arrow notation \(1000\uparrow(1+16\uparrow16\uparrow5)\)
Down-arrow notation \(92\downarrow\downarrow642948\) \(32\downarrow\downarrow838862\)
Steinhaus-Moser Notation 6[3][3][3] 7[3][3][3]
Copy notation 1[1[1[7]]] 2[2[2[7]]]
Taro's multivariable Ackermann function A(3,A(3,A(3,19))) A(3,A(3,A(3,20)))
Pound-Star Notation #*((1))*((1885))*342 #*((1))*((1886))*342
BEAF {1000,1+{16,{16,5}}}
Hyper-E notation E(3+3E[16]5#2)
Bashicu matrix system (0)(1)[2047] (0)(1)[2048]
Hyperfactorial array notation ((8!)!)! ((9!)!)!
Fast-growing hierarchy \(f_2^3(17)\) \(f_2^3(18)\)
Hardy hierarchy \(H_{\omega^23}(17)\) \(H_{\omega^23}(18)\)
Slow-growing hierarchy \(g_{\omega^{\omega^{\omega^5}}2}(16)\) \(g_{\omega^{\omega^{\omega^5}}3}(16)\)


Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers

"-Illion" numbers by SuperJedi224

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