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Myria-myrialogue
100000.....00000    99999999

100000.....00000

100000.....00000
100000.....00000
10000000000
Myria-myrialogue in zeroes

Myria-myrialogue (also called octadalogue and giggolbong) is equal to E1#100,000,000, using Hyper-E notation.[1] The term was coined by Sbiis Saibian.

## Etymology

x-logue means E1#x or $$10\uparrow\uparrow x$$, and myria means 10,000. So, myria-myria means 10^8 and myria-myrialogue means E1#(10^8).

The name "octadalogue" comes from the -logue suffix and Archimedes' "octad", meaning 100,000,000.

## Approximations in other notations

Notation Approximation
Up-arrow notation $$10 \uparrow\uparrow 10 \uparrow 8$$ (exact)
Chained arrow notation $$10 \rightarrow (10 \rightarrow 8) \rightarrow 2$$ (exact)
BEAF $$\{10,10^8,2\}$$ (exact)
Hyperfactorial Array Notation $$100,000,002!1$$
Fast-growing hierarchy $$f_3(99,999,999)$$
Hardy hierarchy $$H_{(\omega^2) 99,999,999}(28)$$
Slow-growing hierarchy $$g_{\varepsilon_0}(100,000,000)$$

## Sources

1. Saibian, Sbiis. 4.3.2 - Hyper-E Notation - Large Numbers. Retrieved 2016-04-22.