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 | \(g_{\omega^{\omega14+9}28}(43)\) | \(g_{\omega^{\omega6+67}35}(77)\) |
