Wikidata entity: Q167

Quantities
| P1181 | numeric value | 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938 |
| P1171 | approximation algorithm | ... | Q2006381 (Kochański's approximation) | Kochański's approximation |
| P1171 | approximation algorithm | ... | Q2208385 (Chudnovsky algorithm) | Chudnovsky algorithm |
| P1171 | approximation algorithm | ... | Q2448949 (Gauss–Legendre algorithm) | Gauss–Legendre algorithm |
| P1171 | approximation algorithm | ... | Q3077635 (Machin-like formula) | Machin-like formula |
| P1171 | approximation algorithm | ... | Q3751018 (Borwein's algorithm) | Borwein's algorithm |
| P1171 | approximation algorithm | ... | Q17278655 (Zhao Youqin's π algorithm) | Zhao Youqin's π algorithm |
| P1171 | approximation algorithm | ... | Q97226587 (Leibniz formula for π) | Leibniz formula for π |
| P1171 | approximation algorithm | ... | Q803807 (Bailey–Borwein–Plouffe formula) | Bailey–Borwein–Plouffe formula |
| P1171 | approximation algorithm | ... | Q1501324 (Wallis product) | Wallis product |
| P373 | Commons category | String | Pi | ??? |
| P1343 | described by source | ... | Q20078554 (Great Soviet Encyclopedia (1926–1947)) | Great Soviet Encyclopedia (1926–1947) |
| P1343 | described by source | ... | Q109490582 (ISO 80000-2:2019 Quantities and units — Part 2: Mathematics) | ISO 80000-2:2019 Quantities and units — Part 2: Mathematics |
| P1889 | different from | ... | Q14411 (Pi) | Pi |
| P1889 | different from | ... | Q3901786 (Pi greco) | Pi greco |
| P1889 | different from | ... | Q22673904 (Pī) | Pī |
| P2572 | hashtag | String | π | ??? |
| P2184 | history of topic | ... | Q4897101 (chronology of computation of π) | chronology of computation of π |
| P31 | instance of | ... | Q12916 (real number) | real number |
| P31 | instance of | ... | Q83155724 (UCUM constant) | UCUM constant |
| P31 | instance of | ... | Q173091 (transcendental number) | transcendental number |
| P31 | instance of | ... | Q186509 (mathematical constant) | mathematical constant |
| P5136 | less than | ... | Q17987729 (22/7) | 22/7 |
| P6104 | maintained by WikiProject | ... | Q8487137 (WikiProject Mathematics) | WikiProject Mathematics |
| P2561 | name | Monolingualtext | π | ??? |
| P138 | named after | ... | Q17278 (circle) | circle |
| P138 | named after | ... | Q310771 (Ludolph van Ceulen) | Ludolph van Ceulen |
| P913 | notation | ... | Q168 (pi) | pi |
| P5008 | on focus list of Wikimedia project | ... | Q5460604 (Wikipedia:List of articles all languages should have) | Wikipedia:List of articles all languages should have |
| P5008 | on focus list of Wikimedia project | ... | Q6173448 (Wikipedia:Vital articles/Level/4) | Wikipedia:Vital articles/Level/4 |
| P2959 | permanent duplicated item | ... | Q114451702 (???) | ??? |
| P443 | pronunciation audio | CommonsMedia | http://commons.wikimedia.org/wiki/Special:FilePath/LL-Q1571%20%28mar%29-Vj18081991-%E0%A4%AA%E0%A4%BE%E0%A4%AF.wav | ??? |
| P7973 | quantity symbol (LaTeX) | Math | ??? | |
| P3342 | significant person | ... | Q371877 (William Jones) | William Jones |
| P1482 | Stack Exchange tag | Url | Newest 'pi' Questions - Stack Overflow | ??? |
| P2579 | studied by | ... | Q395 (mathematics) | mathematics |
| P1993 | TeX string | String | \pi | ??? |
| P910 | topic's main category | ... | Q8910513 (Category:Pi) | Category:Pi |
| P487 | Unicode character | String | π | ??? |
| P7033 | Australian Educational Vocabulary ID | scot/7229 |
| P2581 | BabelNet ID | 00062194n |
| P2581 | BabelNet ID | 00062194n |
| P1617 | BBC Things ID | 6c60de15-f23d-4f2c-8afb-8d7cd7e78ffe |
| P508 | BNCF Thesaurus ID | 6838 |
| P6564 | Brilliant Wiki ID | pi |
| P3569 | Cultureel Woordenboek ID | wiskunde/pi |
| P5184 | Daum Encyclopedia ID | 61XX80200033 |
| P1036 | Dewey Decimal Classification | 512.73 |
| P10565 | Encyclopedia of China (Third Edition) ID | 232847 |
| P7554 | Encyclopedia of Mathematics article ID | Pi(number) |
| P1417 | Encyclopædia Britannica Online ID | topic/pi-mathematics |
| P6262 | Fandom article ID | math:Pi_(constant) |
| P6262 | Fandom article ID | ru.science:Пи_(число) |
| P646 | Freebase ID | /m/05wjw |
| P9100 | GitHub topic | calculate-pi |
| P227 | GND ID | 4174646-6 |
| P12385 | Gran Enciclopèdia Catalana ID | nombre-pi |
| P1296 | Gran Enciclopèdia Catalana ID (former scheme) | 0153762 |
| P4342 | Great Norwegian Encyclopedia ID | pi |
| P2924 | Great Russian Encyclopedia Online ID (old version) | 4687097 |
| P11514 | Great Russian Encyclopedia portal ID | chislo-p-bf3bee |
| P6385 | Krugosvet article (archived) | nauka_i_tehnika/matematika/CHISLO_p.html |
| P6058 | Larousse ID | divers/pi/79570 |
| P244 | Library of Congress authority ID | sh85101712 |
| P2812 | MathWorld ID | Pi |
| P12888 | Metamath statement ID | df-pi |
| P6366 | Microsoft Academic ID (discontinued) | 53009064 |
| P8885 | Namuwiki ID | 원주율 |
| P8189 | National Library of Israel J9U ID | 987007546007205171 |
| P950 | National Library of Spain SpMaBN ID (BNE v1.0) | XX536170 |
| P7506 | Naver Encyclopedia ID | 3405254 |
| P349 | NDL Authority ID | 00562015 |
| P3222 | NE.se ID | pi |
| P6900 | NicoNicoPedia ID | 円周率 |
| P691 | NL CR AUT ID | ph117728 |
| P4215 | nLab ID | pi |
| P829 | OEIS ID | A000796 |
| P7305 | Online PWN Encyclopedia ID | 3956528 |
| P10283 | OpenAlex ID | C53009064 |
| P5610 | OpenMath ID | nums1#pi |
| P10757 | Personality Database profile ID | 528862 |
| P11408 | Pixiv Encyclopedia ID | 円周率 |
| P7726 | PlanetMath ID | Pi |
| P6781 | ProofWiki ID | Definition:Pi |
| P3417 | Quora topic ID | Pi |
| P3365 | Treccani ID | pi-greco |
| P7825 | UCUM code | [pi] |
| P12800 | Vikidia article ID | en:Pi_(math) |
| P12800 | Vikidia article ID | es:Pi |
| P12800 | Vikidia article ID | fr:Pi_(nombre) |
| P12800 | Vikidia article ID | it:Pi_greco |
| P12800 | Vikidia article ID | pt:Pi |
| P12086 | WikiKids ID | Pi_(wiskunde) |
| P13591 | Yale LUX ID | concept/a9028d63-5a4b-4b17-901b-e17728f47a5d |
| P3553 | Zhihu topic ID | 19581830 |
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