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The binary-gogolding is equal to $$2^{250}$$ ≈ 1.809251×1075.[1] The term was coined by Sbiis Saibian.

Its full decimal expansion is 1809251394333065553493296640760748560207343510400633813116524750123642650624.

## Etymology

The two parts of the name, "binary" and "gogolding" mean base 2 and $$10^{250}$$ respectively, which form $$2^{250}$$ when concatenated backwards.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.809\times10^{75}$$ $$1.81\times10^{75}$$
Arrow notation $$2\uparrow250$$
Steinhaus-Moser Notation 45[3] 46[3]
Copy notation 1[76] 2[76]
Hyper-E notation E[2]250
Taro's multivariable Ackermann function A(3,247) A(3,248)
Pound-Star Notation #*(0,3,6,4,2,5)*8 #*(1,3,6,4,2,5)*8
BEAF {2,250}
Bashicu matrix system (0)(0)(0)(0)[50535] (0)(0)(0)(0)[50536]
Hyperfactorial array notation 56! 57!
Fast-growing hierarchy $$f_2(242)$$ $$f_2(243)$$
Hardy hierarchy $$H_{\omega^2}(242)$$ $$H_{\omega^2}(243)$$
Slow-growing hierarchy $$g_{\omega^{\omega^3+\omega^23+\omega3+1}}(4)$$

## Sources

1. Saibian, Sbiis. Hyper-E Notation. Retrieved 2016-07-18.

-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)