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Googology Wiki

Epi-tritillion is equal to H(37) = H(2187) = 106,564, where H(x) = 103x+3.[1] The term was coined by SuperJedi224. In short scale, this number is equivalent to dumilli-septemoctoginticentillion using Bowers' -illions.


Notation Lower bound Upper bound
Scientific notation \(1\times10^{6\,564}\)
Arrow notation \(10\uparrow6\,564\)
Steinhaus-Moser Notation 1,989[3] 1,990[3]
Copy notation 9[6564] 1[6565]
Taro's multivariable Ackermann function A(3,21802) A(3,21803)
Pound-Star Notation #*((65))*43 #*((66))*43
BEAF {10,6\,564}
Hyper-E notation E6,564
Bashicu matrix system (0)(1)[3] (0)(1)[4]
Hyperfactorial array notation 2,249! 2,250!
Fast-growing hierarchy \(f_2(21\,790)\) \(f_2(21\,791)\)
Hardy hierarchy \(H_{\omega^2}(21\,790)\) \(H_{\omega^2}(21\,791)\)
Slow-growing hierarchy \(g_{\omega^{\omega^36+\omega^25+\omega6+4}}(10)\)


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