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Not to be confused with octal-googolchunk.

An octal-gogolchunk is equal to 849 = 2147 ≈ 1.784060×1044.[1] The term was coined by Sbiis Saibian. It is equal to around 178 tredecillion in short scale or 178 septillion in long scale. It is 45 digits long.

## Decimal expansion

178,405,961,588,244,985,132,285,746,181,186,892,047,843,328

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.784\times10^{44}$$ $$1.785\times10^{44}$$
Arrow notation $$8\uparrow49$$, $$2\uparrow147$$
Steinhaus-Moser Notation 29[3] 30[3]
Copy notation 1[45] 2[45]
Taro's multivariable Ackermann function A(3,144) A(3,145)
Pound-Star Notation #*(5,1,6,4,1)*7 #*(5,8,5,1)*10
BEAF {8,49}, {2,147}
Bashicu matrix system (0)(0)(0)(0)[583] (0)(0)(0)(0)[584]
Bird's array notation {8,49}, {2,147}
Hyperfactorial array notation 37! 38!
Strong array notation s(8,49), s(2,147)
Fast-growing hierarchy $$f_2(139)$$ $$f_2(140)$$
Hardy hierarchy $$H_{\omega^2}(139)$$ $$H_{\omega^2}(140)$$
Slow-growing hierarchy $$g_{\omega^{\omega6+1}}(8)$$

## Sources

1. Saibian, Sbiis. Hyper-E Numbers. 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)
Gogol group: (binary/ternary/octal)gogolspeck · (binary/ternary/octal)gogolcrumb · (binary/ternary/octal)gogolchunk · (ternary/quadternary/quinary/duodecimal/hexadecimal/vigesimal/sexagesimal)gogol(bit/byte)
Jumbo shrimp group: (binary/ternary/octal)jumbo shrimp
Lightweight group: (binary/ternary/octal)lightweight
Ogol group: (binary/ternary/octal)ogolspeck · (binary/ternary/octal)ogolcrumb · (binary/ternary/octal)ogolchunk · (ternary/quaternary/quinary/duodecimal/hexadecimal/vigesimal/sexagesimal)ogol(bit/byte)
Tiny twerpuloid group: (binary/ternary/octal)tiny twerpuloid
Googol group: (binary/ternary/octal)googolspeck · (binary/ternary/octal)googolcrumb · (binary/ternary/octal)googolchunk · (ternary/quaternary/quinary/duodecimal/hexadecimal/vigesimal/sexagesimal)googol*(bit/byte) · googolbunch · googolcrowd · googolswarm
Eceton group: ecetonspeck · ecetoncrumb · ecetonchunk · ecetonbunch · ecetoncrowd · ecetonswarm
*Not Saibian's
Numbers with base-multipliers
Numbers with -plex