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The ogol is equal to 1080 = E80.[1] It is equal to 100 quinvigintillion in the short scale and 100 tredecillion in the long scale. The name was coined by Sbiis Saibian. Its full decimal expansion is:

100000000000000000000000000000000000000000000000000000000000000000000000000000000

Aarex Tiaokhiao calls this number oootol or 80-noogol.[2]

Username5243 calls this number gootgol, and it's equal to 10[1]80 in Username5243's Array Notation.[3]

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{80}$$
Arrow notation $$10\uparrow80$$
Steinhaus-Moser Notation 47[3] 48[3]
Copy notation 9[80] 1[81]
Chained arrow notation $$10\rightarrow80$$
PlantStar's Debut Notation [47] [48]
Taro's multivariable Ackermann function A(3,262) A(3,263)
Pound-Star Notation #*(9,0,3,4,2,5,1)*7 #*(13,2,4,5,7)*11
BEAF {10,80}
Bashicu matrix system (0)(0)(0)(0)[100000]
Hyperfactorial array notation 58! 59!
Bird's array notation {10,80}
Fast-growing hierarchy $$f_2(257)$$ $$f_2(258)$$
Hardy hierarchy $$H_{\omega^2}(257)$$ $$H_{\omega^2}(258)$$
Slow-growing hierarchy $$g_{\omega^{\omega\times 8}}(10)$$

## Sources

1. Saibian, Sbiis. Hyper-E Numbers. Retrieved 2015-08-07.
2. Part 1 - My Large Numbers

-minutia group
n-ary numbers with multipliers
Eyelash mite group: eyelash mite-speck · eyelash mite-crumb · eyelash mite-chunk · (binary/ternary/octal)eyelash mite · eyelash mite-bunch · eyelash mite-crowd · eyelash mite-swarm
Dust mite group: dust mite-speck · dust mite-crumb · dust mite-chunk · (binary/ternary/octal)dust mite · dust mite-bunch · dust mite-crowd · dust mite-swarm
Cheese mite group: cheese mite-speck · cheese mite-crumb · cheese mite-chunk · (binary/ternary/octal)cheese mite · cheese mite-bunch · cheese mite-crowd · cheese mite-swarm
Clover mite group: clover mite-speck · clover mite-crumb · clover mite-chunk · (binary/ternary/octal)clover mite · clover mite-bunch · clover mite-crowd · clover mite-swarm
Pipsqueak group: (binary/ternary/octal)pipsqueak
Little squeaker group: (binary/ternary/octal)little squeaker
Small fry group: (binary/ternary/octal)small fry
Guppy group: (binary/ternary/octal)guppyspeck · (binary/ternary/octal)guppycrumb · (binary/ternary/octal)guppychunk · (ternary/quaternary/quinary/duodecimal/hexadecimal/vigesimal/sexagesimal)guppy(bit/byte)
Minnow group: (binary/ternary/octal)minnowspeck · (binary/ternary/octal)minnowcrumb · (binary/ternary/octal)minnowchunk · (ternary)minnow(bit/byte)
Goby group: (binary/ternary/octal)gobyspeck · (binary/ternary/octal)gobycrumb · (binary/ternary/octal)gobychunk · (ternary)goby(bit/byte)