The terillion is equal to

$ {10^{3\times 10^{3\times 10^{12{+3}}}}} $

In the Epstein system this name is used for 1,000,0001,000,000,000,000.

Approximations in other notations Edit

Uparrow notation =

$ {10\uparrow 3x10 \uparrow 3x10 \uparrow 12 + 3} $

Super fast-growing hierarchy =

$ d_{\underbrace{\omega^(\omega^(\cdots(\omega^(\omega^(\omega_{10}2,0),0),0)}_{trillion\text{ omegas}}}(trillion)\)\text{ omegas}(100)\) $

The code of super fast-growing hierarchy is


Sticky math

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