## FANDOM

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Pigol is equal to $$\lfloor 10^{99}\pi \rfloor$$, or the first 100 digits of pi without the decimal point.[1] Its full decimal expansion is:

3,141,592,653,589,793,238,462,643,383,279,502,884,197,169,399,375,105,820,974,944,592,307,816,406,286,208,998,628,034,825,342,117,067

Its full prime factorization is:

3 × 53 × 4,591 × 1,906,607 × 2,257,273,964,472,670,855,547,916,413,253,002,746,375,718,990,367,443,254,675,710,970,626,921,263,609,977,043,045,749.

## Approximations Edit

Notation Lower bound Upper bound
Scientific notation $$3.141\times10^{99}$$ $$3.142\times10^{99}$$
Arrow notation $$118\uparrow48$$ $$131\uparrow47$$
Steinhaus-Moser Notation 56[3] 57[3]
Copy notation 2[100] 3[100]
Taro's multivariable Ackermann function A(3,327) A(3,328)
Pound-Star Notation #*(9,8,6,5,9,3)*11 #*(13,11,2,0,2)*15
BEAF {118,48} {131,47}
Hyper-E notation 3E99 4E99
Bashicu matrix system (0)(0)(0)(0)(0)[1286] (0)(0)(0)(0)(0)[1287]
Bird's array notation {118,48} {131,47}
Hyperfactorial array notation 69! 70!
Strong array notation s(118,48) s(131,47)
Fast-growing hierarchy $$f_2(322)$$ $$f_2(323)$$
Hardy hierarchy $$H_{\omega^2}(322)$$ $$H_{\omega^2}(323)$$
Slow-growing hierarchy $$g_{\omega^{53}24}(71)$$ $$g_{\omega^{55}50}(60)$$

## Sources Edit

1. A googol is a tiny dot