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Chilia-octaxis (also called gagolchime) is equal to E1#1#1#1#1#1#1000 using Hyper-E notation.[1] The term was coined by Sbiis Saibian. In arrow notation, it is equal to $$10\uparrow^7 1000$$ or 10 enneated to thousand. This number belongs to the gaspgol regiment.

## Approximations

Notation Lower bound Upper bound
Arrow notation $$10\uparrow\uparrow\uparrow\uparrow\uparrow\uparrow\uparrow1000=10\uparrow^{7}1000$$
Chained arrow notation $$10 \rightarrow 1000 \rightarrow 7$$
BEAF {10,1000,7}
Hyperfactorial array notation 1003!6 1004!6
Bird's array notation {10,1000,7}
Fast-growing hierarchy $$f_8(1000)$$ $$f_8(1001)$$
Hardy hierarchy $$H_{\omega^8}(1000)$$ $$H_{\omega^8}(1001)$$
Slow-growing hierarchy $$g_{\varphi(6,0)}(1000)$$ $$g_{\varphi(6,0)}(1001)$$