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Pentacthulto-tethrathoth is equal to E100#^^^#^^#100 using Extended Cascading-E Notation.[1] The term was coined by Sbiis Saibian. This number belongs to the pentacthultope regiment.

Approximations

Notation Approximation
Bird's array notation {100,100[1 [1¬3]1 [1\2¬2]2]2}

Sources

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