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A googolty is a number equal to $$10^{101}$$, or 10 × googol (googol times ten).[1] It is based on the fact that two times ten = twenty, three times ten = thirty, four times ten = forty, etc., which can be extrapolated to $$10n$$ = n-ty. Full form written in decimal: (1 followed by 101 zeroes)

100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000

Sbiis Saibian gave the name googolbunch, referring to the value of this number.[2]

Aarex Tiaokhiao calls this number unpunoohol or 101-noogol.[3]

Username5243 calls this number googolnilex, and it's equal to 10[0]10[1]100 in Username5243's Array Notation.[4]

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{101}$$
Arrow notation $$10\uparrow101$$
Steinhaus-Moser Notation 57[3] 58[3]
Copy notation 9[101] 10[51]
Taro's multivariable Ackermann function A(3,332) A(3,333)
Pound-Star Notation #*(2,1,7,0,8,0,2)*9 #*(3,1,7,0,8,0,2)*9
BEAF {10,101}
Bashicu matrix system (0)(0)(0)(0)(0)[1433] (0)(0)(0)(0)(0)[1434]
Hyperfactorial array notation 70! 71!
Fast-growing hierarchy $$f_2(327)$$ $$f_2(328)$$
Hardy hierarchy $$H_{\omega^2}(327)$$ $$H_{\omega^2}(328)$$
Slow-growing hierarchy $$g_{\omega^{\omega^2+1}}(10)$$

## Sources

-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)