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Endekalogue
100000.....00000    10

100000.....00000

100000.....00000
100000.....00000
10000000000
Endekalogue in zeroes

The endekalogue is equal to E1#11, using Hyper-E Notation.[1][2] The term was coined by Sbiis Saibian.

This number is also called gigastron.[3]

Matthew Tainsh calls this number equinoxal, and it's equal to 10(≡) = 10(10)(10) using Dual Percoxy Notation.[4]

## Etymology

The name "endekalogue" is based on the Greek prefix "endeka-" and the word "logarithm".

The name "equinoxal" is based on the Greek word "equiv", which is used when all three values are equal to the base value.

## Approximations in other notations

Notation Approximation
Up-arrow notation $$10 \uparrow\uparrow 11$$ (exact value)
Chained arrow notation $$10 \rightarrow 11 \rightarrow 2$$ (exact value)
BEAF $$\{10,11,2\}$$ (exact value)
Hyperfactorial array notation $$13!1$$
Fast-growing hierarchy $$f_3(10)$$
Hardy hierarchy $$H_{(\omega^2) 11}(28)$$
Slow-growing hierarchy $$g_{\epsilon_0}(11)$$