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The yottillion is equal to $$10^{3 \cdot 10^{3 \cdot 10^{24}}+3}$$, or $$10^{3 \cdot 10^{3 \cdot \text{septillion}} + 3}$$.[1] The term was coined by Jonathan Bowers.

Etymology Edit

The name of this number is based on the suffix "-illion" and SI prefix "yotta-".

Approximations in other notations Edit

Notation Approximation
Up-arrow notation $$10 \uparrow (3 \times (10 \uparrow (3 \times (10 \uparrow 24)))+3)$$ (exactly equal)
Chained arrow notation $$10 \rightarrow (3 \times (10 \rightarrow (3 \times (10 \uparrow 24)))+3)$$ (exactly equal)
BEAF $$\{10,\{3\times \{10,3 \times \{10,24\}\}+3\}\}$$ (exactly equal)

Sources Edit

1. Illion Numbers by Jonathan Bowers