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The guppychunk is equal to 1019 = E19 = 10,000,000,000,000,000,000.[1] The name was coined by Sbiis Saibian.

Aarex Tiaokhiao calls this number nvdoocol or 19-noogol.[2]

In the Indian counting system this number is called mana-sankh.[3]

## As a banknote denomination Edit

Only the Hungarian pengő had banknotes with this number in the denomination.

## ApproximationsEdit

Notation Lower bound Upper bound
Scientific notation $$1\times10^{19}$$
Arrow notation $$10\uparrow19$$
Steinhaus-Moser Notation 15[3] 16[3]
Copy notation 9[19] 10[[2]]
Taro's multivariable Ackermann function A(3,60) A(3,61)
Pound-Star Notation #*(2,0,1,3)*4 #*(1,2,4)*6
BEAF {10,19}
Bashicu matrix system (0)(0)[56234] (0)(0)[56235]
Hyperfactorial array notation 20! 21!
Fast-growing hierarchy $$f_2(57)$$ $$f_2(58)$$
Hardy hierarchy $$H_{\omega^2}(57)$$ $$H_{\omega^2}(58)$$
Slow-growing hierarchy $$g_{\omega^{\omega+9}}(10)$$

## Sources Edit

1. Saibian, Sbiis. Hyper-E Notation. Retrieved 2016-07-17.
2. Part 1 (LAN) - Aarex Googology
3. [1]

-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
Numbers with base-multipliers
Numbers with -plex