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Gogolspeck is equal to 1040 = E40.[1] The name was coined by Sbiis Saibian.

Aarex Tiaokhiao calls this number footol or 40-noogol.[2]

Username5243 calls this number gooqrol, and it's equal to 10[1]40 in Username5243's Array Notation.[3]

Nirvana Supermind calls this number guppol and is equal to r(1020) in Rampant Array Notation.[4]

This number is also called Zheng (正 in Chinese) or Sei (せい in Japanese)[5] in both Japanese counting system and Chinese counting system.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1\times10^{40}$$
Arrow notation $$10\uparrow40$$
Steinhaus-Moser Notation 27[3] 28[3]
Copy notation 9[40] 1[41]
Taro's multivariable Ackermann function A(3,129) A(3,130)
Pound-Star Notation #*(8,4,7)*11 #*(1,6,6,4)*8
BEAF {10,40}
Bashicu matrix system (0)(0)(0)[100000]
Hyperfactorial array notation 34! 35!
Fast-growing hierarchy $$f_2(125)$$ $$f_2(126)$$
Hardy hierarchy $$H_{\omega^2}(125)$$ $$H_{\omega^2}(126)$$
Slow-growing hierarchy $$g_{\omega^{\omega4}}(10)$$

## Pronunciation

It is likely pronounced as so:

## Sources

1. Saibian, Sbiis. Hyper-E Notation. Retrieved 2016-07-17.
2. Part 1 - My Large Numbers
3. Nirvana Supermind. Rampant Array Notation Numbers (Part 1: Basic/Linear) - Integral View. Retrieved 2021-06-18.
4. 大数の名前

-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

Basic notation:
Gectol · Gentol · Gilgol · Gyrol · Gookhol · Goomegol · Gooktol · Goovrol · Googigol · Gooldol · Goonrol · Gooterol · Gooskol · Gooptol · Gextol · Gycol · Guppol · Goottol · Gytol · Goonwol · Gougol · Gybol · Googol · Goolkol · Gooshol · Goovtol · Goongol · Unectol · Ungol · Dingol