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The octal-guppychime is equal to 8200 = 2600 ≒ 4.149516×10180.[1] The term was coined by Sbiis Saibian.

## Decimal expansion

4149515568880992958512407863691161151012446232242436899995657329690652811412908146399707048947103794288197886611300789182395151075411775307886874834113963687061181803401509523685376

## Approximations

Notation Lower bound Upper bound
Scientific notation $$4.149\times10^{180}$$ $$4.15\times10^{180}$$
Arrow notation $$2↑600$$, $$4↑300$$, $$8\uparrow200$$, $$16↑150$$
Steinhaus-Moser Notation 91[3] 92[3]
Copy notation 3[181] 4[181]
Chained arrow notation $$2→600$$, $$4→300$$, $$8→200$$, $$16→150$$
Taro's multivariable Ackermann function A(3,597) A(3,598)
Pound-Star Notation #*((61))*9 #*((62))*9
BEAF {2,600}, {4,300}, {8,200}, {16,150}
Bashicu matrix system (0)(0)(0)(0)(0)(0)[663] (0)(0)(0)(0)(0)(0)[664]
Bird's array notation {2,600}, {4,300}, {8,200}, {16,150}
Hyperfactorial array notation 111! 112!
Strong array notation s(2,600), s(4,300), s(8,200), s(16,150)
Fast-growing hierarchy $$f_2(590)$$ $$f_2(591)$$
Hardy hierarchy $$H_{\omega^2}(590)$$ $$H_{\omega^2}(591)$$
Slow-growing hierarchy $$g_{\omega^{\omega^23+\omega}}(8)$$

## 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)