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The binary-googolchime is equal to 21,000 ≒ 1.071509×10301 or approximately 11 novemnonagintillion in short scale or 11 quinquagintillion in long scale.[1] The term was coined by Sbiis Saibian.

Username5243 calls this number Binary-Goomol, and it's equal to 2[1]1,000 in Username5243's Array Notation.[2]

## Decimal expansion

10715086071862673209484250490600018105614048117055336074437503883703510511249361224931983788156958581275946729175531468251871452856923140435984577574698574803934567774824230985421074605062371141877954182153046474983581941267398767559165543946077062914571196477686542167660429831652624386837205668069376

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.071\times10^{301}$$ $$1.072\times10^{301}$$
Arrow notation $$2\uparrow1000$$, $$4↑500$$, $$16↑250$$
Steinhaus-Moser Notation 140[3] 141[3]
Copy notation 10[151] 1[302]
Chained arrow notation $$2→1000$$, $$4→500$$, $$16→250$$
Taro's multivariable Ackermann function A(3,997) A(3,998)
Pound-Star Notation #*((253))*11 #*((254))*11
BEAF {2,1000}, {4,500}, {16,250}
Bashicu matrix system (0)(0)(0)(0)(0)(0)[50535] (0)(0)(0)(0)(0)(0)[50536]
Bird's array notation {2,1000}, {4,500}, {16,250}
Hyperfactorial array notation 167! 168!
Strong array notation s(2,1000), s(4,500), s(16,250)
Fast-growing hierarchy $$f_2(990)$$ $$f_2(991)$$
Hardy hierarchy $$H_{\omega^2}(990)$$ $$H_{\omega^2}(991)$$
Slow-growing hierarchy $$g_{\omega^{\omega \times 15+10}}(16)$$

## Sources

1. Saibian, Sbiis. Hyper-E Notation. Retrieved 2016-07-18.
2. Part 1 - My Large Numbers

-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
Numbers with base-multipliers
Numbers with -plex