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Not to be confused with googol.
"Exoogol" redirects here. It is not to be confused with hexoogol.

The goggol is equal to $$\{10,100,6\}$$ in BEAF.[1] The term was coined by Jonathan Bowers.

This number is also called hecta-eptaxis (formerly hecta-eptaksys) by Sbiis Saibian, and it's equal to E1#1#1#1#1#100 in Hyper-E notation.[2]

Username5243 calls this number Exoogol, and it's equal to $$10[6]100$$ in Username5243's Array Notation.[3]

BlankEntity calls this number Blog.[4]

## Approximations

Notation Approximation
Arrow notation $$10\uparrow^{6}100$$
Chained arrow notation $$10 \rightarrow 100 \rightarrow 6$$ (exact value)
Notation Array Notation $$(10\{2,6\}100)$$
Hyperfactorial array notation $$102!5$$
Fast-growing hierarchy $$f_7(100)$$
Hardy hierarchy $$H_{\omega^7}(100)$$
Slow-growing hierarchy $$g_{\varphi(5,0)}(100)$$

## Sources

1. Bowers, JonathanInfinity Scrapers. Retrieved January 2013.
2. Saibian, Sbiis. Hyper-E Numbers. Retrieved 2015-04-16.
3. Username5243. Shortened listMy Large Numbers. Retrieved 2017-05-02.
4. BlankEntity's Googology Site

Jonathan Bowers' googol series

Googol series: googol(plex/duplex/triplex/quadraplex/quinplex) · giggol(plex/duplex) · gaggol(plex/duplex) · geegol(plex) · gigol(plex) · goggol(plex) · gagol(plex)
Boogol series: boogol(plex/duplex/triplex) · biggol(plex/duplex) · baggol(plex) · beegol(plex) · bigol · boggol · bagol
Troogol series: troogol(plex/duplex) · triggol(plex/duplex) · traggol(plex/duplex) · treegol · trigol · troggol · tragol
Quintoogol series: quintoogol(plex) · quintiggol · quintaggol · quinteegol · quintigol · quintoggol · quintagol · (sextoogol · septoogol · octoogol)
Goobol series: goobol(plex) · gibbol · gabbol · geebol · gibol · gobbol · gabol
Boobol series: boobol · bibbol · babbol · beebol · bibol · bobbol · babol
Troobol series: troobol · tribbol · trabbol