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Googology Wiki

Hyper-icositillion coined by SuperJedi224, is equal to H(2020), where H(n) equals 103x+3.[1]

It is equal to 10314,572,800,000,000,000,000,000,003 or 10314.5 septillion in the short scale.


Notation Lower bound Upper bound
Arrow notation \(1000\uparrow(1+20\uparrow\uparrow2)\)
Down-arrow notation \(781\downarrow\downarrow10\) \(237\downarrow\downarrow12\)
Steinhaus-Moser Notation 19[3][3] 20[3][3]
Copy notation 2[2[27]] 3[3[27]]
Taro's multivariable Ackermann function A(3,A(3,86)) A(3,A(3,87))
Pound-Star Notation #*((1))*(1,2,4)*4 #*((1))*(5,2,1)*5
BEAF {1000,1+{20,2,2}}
Hyper-E notation E(3+3E[20]1#2)
Hyper-E notation(base 10) E(3+3E26) E(3+33E25)
Bashicu matrix system (0)(1)[9] (0)(1)[10]
Hyperfactorial array notation (24!)! (25!)!
Strong array notation s(1000,1+s(20,2,2))
Fast-growing hierarchy \(f_2(f_2(83))\) \(f_2(f_2(84))\)
Hardy hierarchy \(H_{\omega^22}(83)\) \(H_{\omega^22}(84)\)
Slow-growing hierarchy \(g_{\omega^{\omega^{\omega2+6}\times 3}}(10)\) \(g_{\omega^{\omega^{\omega2+6}\times 4}}(10)\)


See also

Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers

"-Illion" numbers by SuperJedi224