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A vigesimal-googol is equal to 20100 ≒ 1.267651×10130 or 12.68 duoquadragintillion in short scale.[1] The term was coined by Sbiis Saibian.

SuperJedi224 calls this number Vigesigol.[2]

It is 131 digits long.

## Decimal expansion

12676506002282294014967032053760000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.267\times10^{130}$$ $$1.268\times10^{130}$$
Arrow notation $$20\uparrow100$$
Steinhaus-Moser Notation 70[3] 71[3]
Copy notation 1[131] 2[131]
Chained arrow notation $$20\rightarrow100$$
Taro's multivariable Ackermann function A(3,429) A(3,430)
Pound-Star Notation #*(7,11,7,0,9,5,4,3)*9 #*(8,11,7,0,9,5,4,3)*9
PlantStar's Debut Notation [77] [78]
BEAF {20,100}
Bashicu matrix system (0)(0)(0)(0)(0)[11633] (0)(0)(0)(0)(0)[11634]
Bird's array notation {20,100}
Hyperfactorial array notation 85! 86!
Strong array notation s(20,100)
Fast-growing hierarchy $$f_2(423)$$ $$f_2(424)$$
Hardy hierarchy $$H_{\omega^2}(423)$$ $$H_{\omega^2}(424)$$
Slow-growing hierarchy $$g_{\omega^{\omega5}}(20)$$

## Sources

1. Saibian, Sbiis. Hyper-E Numbers. Retrieved 2016-07-18.
2. Bingol Series - Almost Infinite

-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)
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

Numbers By SuperJedi224

Fibonacci Numbers

Level One

Level Two

#*

#**

H#*

#*{}

#*<<>>

H#*<<>>

Bingol series

Bingol · Terngol · Quaterngol · Pentengol · Decigol · Vigesigol · Centengol

Based on the Faxul

Other factorials

Googovipleccix family

Graham Sequence Numbers

-Illion numbers