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The bagol is equal to $$\{10,10,100,7\}$$ in BEAF.[1] The term was coined by Chris Bird. Jonathan Bowers jokingly says about this number, "Whatever you do, don't eat this many bagels."[1] This number is comparable to gugolocta.

Username5243 calls this number Heptukiloogol (formerly Heptumegoogol), and it's equal to 10[0,7]100 in Username5243's Array Notation.[2]

## Etymology

The name of the number is based on the Latin prefix "bi-" and the number "gagol".

## Approximations

Notation Approximation
Bird's array notation $$\{10,10,100,7\}$$ (exact)
Notation Array Notation (10{3,8}100)
Hyper-E notation $$E100\#\#100\#\#100\#\#100\#\#100\#\#100\#\#100\#\#100\#\#100$$
Chained arrow notation $$10 \rightarrow 10 \rightarrow 10 \rightarrow 10 \rightarrow 10 \rightarrow 10 \rightarrow 10 \rightarrow 10 \rightarrow 100$$
Fast-growing hierarchy $$f_{\omega 7}(100)$$
Hardy hierarchy $$H_{\omega^{\omega 7}}(100)$$
Slow-growing hierarchy $$g_{\varphi(6,99,0)}(100)$$

## Sources

1. 1.0 1.1 Bowers, JonathanInfinity Scrapers. Retrieved January 2013.
2. Username5243. shortened list - My Large Numbers. Retrieved 2017-04-22.

Jonathan Bowers' googol series

Googol series: googol(plex/duplex/triplex/quadraplex) · 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(plex) · boggol(plex) · bagol(plex)
Troogol series: troogol(plex/duplex) · triggol(plex) · traggol(plex) · treegol(plex) · trigol(plex) · troggol(plex) · tragol(plex)