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In Pound-Star Notation, Astrapengol is equal to #*(10,10,10,10,10)*100. It is equal to 104*1,062,367,760104, or about 1.412*10941.

An Astrapengol written in full decimal expansion:

141201592171303561829468581879893803718348085383547095839481127169418915402538584449078902843254181454858109922573171008869494647066278293427450019365002653698042928345674800651974641104541920342774620484062612606029870220498368290191908559539745236333130224280193595159694106693242288554492239816885125298743501588945554064968672404068114226152845289061209491188602786748941377268977609633165004151191593921861375647877854046975061180330025418126205687787969693269004179141951178980051971897163027750138701758230904614328995960650066494129088005524003159996878742208161455012269871508478556719988157804603580239110909058980885371653165899765463227756168034823323039819346865411662308510836834836090949036329731089908481568757437728095991967661332207988997613123287106180103451935487735577219700912221896195111610886189969552730724132454400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

## Approximations

Notation Lower bound Upper bound
Scientific notation $$1.412\times10^{941}$$ $$1.413\times10^{941}$$
Arrow notation $$57\uparrow536$$ $$172\uparrow421$$
Steinhaus-Moser Notation 366[3] 367[3]
Copy notation 1[942] 2[942]
Taro's multivariable Ackermann function A(3,3123) A(3,3124)
BEAF {57,536} {172,421}
Hyper-E notation E941 2E941
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)(0)[4746] (0)(0)(0)(0)(0)(0)(0)(0)[4747]
Hyperfactorial array notation 427! 428!
Fast-growing hierarchy $$f_2(3114)$$ $$f_2(3115)$$
Hardy hierarchy $$H_{\omega^2}(3114)$$ $$H_{\omega^2}(3115)$$
Slow-growing hierarchy $$g_{\omega^{\omega6+29}6}(78)$$ $$g_{\omega^{\omega5+37}35}(89)$$

## Source

Numbers By SuperJedi224

Fibonacci Numbers

Level One

Level Two

#*

#**

H#*

#*{}

#*<<>>

H#*<<>>

Bingol series

Based on the Faxul

Other factorials

Googovipleccix family

Graham Sequence Numbers

-Illion numbers