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Pichime is a number with the first 1,000 digits of $$\pi$$ without the decimal point (including the first one).[1] It's equal to:

3141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559644622948954930381964428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951941511609433057270365759591953092186117381932611793105118548074462379962749567351885752724891227938183011949129833673362440656643086021394946395224737190702179860943702770539217176293176752384674818467669405132000568127145263560827785771342757789609173637178721468440901224953430146549585371050792279689258923542019956112129021960864034418159813629774771309960518707211349999998372978049951059731732816096318595024459455346908302642522308253344685035261931188171010003137838752886587533208381420617177669147303598253490428755468731159562863882353787593751957781857780532171226806613001927876611195909216420198

This number is named by combining the -chime suffix with the name of the number pi ($$\pi$$). The name was coined by Wikia user Unknown95387.

The first 4 prime factors of pichime are 2, 3, 41, and 107.

## Approximations

Notation Lower bound Upper bound
Scientific notation $$3.141\times10^{999}$$ $$3.142\times10^{999}$$
Arrow notation $$557\uparrow364$$ $$23\uparrow734$$
Steinhaus-Moser Notation 386[3] 387[3]
Copy notation 2[1000] 3[1000]
Taro's multivariable Ackermann function A(3,3317) A(3,3318)
Pound-Star Notation #*((15))*19 #*((16))*19
BEAF {557,364} {23,734}
Hyper-E notation 3E999 4E999
Bashicu matrix system (0)(1)[3] (0)(1)[4]
Hyperfactorial array notation 449! 450!
Fast-growing hierarchy $$f_2(3308)$$ $$f_2(3309)$$
Hardy hierarchy $$H_{\omega^2}(3308)$$ $$H_{\omega^2}(3309)$$
Slow-growing hierarchy $$g_{\omega^{\omega14+9}28}(43)$$ $$g_{\omega^{\omega6+67}35}(77)$$