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The uttaraparamanurajahpravesa is equal to \(10^{421}\).[1] It's also equal to ten noventrigintacentillion.[2]

Approximations[]

Notation Lower bound Upper bound
Scientific notation \(1\times10^{421}\)
Arrow notation \(10\uparrow421\)
Steinhaus-Moser Notation 185[3] 186[3]
Copy notation 9[421] 10[211]
Taro's multivariable Ackermann function A(3,1395) A(3,1396)
Pound-Star Notation #*((43))*13 #*((44))*13
BEAF {10,421}
Hyper-E notation E421
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[1945] (0)(0)(0)(0)(0)(0)(0)[1946]
Hyperfactorial array notation 219! 220!
Fast-growing hierarchy \(f_2(1388)\) \(f_2(1389)\)
Hardy hierarchy \(H_{\omega^2}(1388)\) \(H_{\omega^2}(1389)\)
Slow-growing hierarchy \(g_{\omega^{\omega^24+\omega2+1}}(10)\)

Sources[]

See also[]

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