@prefix p: <http://www.wikidata.org/prop/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema1: <http://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix wd: <http://www.wikidata.org/entity/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wdt: <http://www.wikidata.org/prop/direct/> .
@prefix wdtn: <http://www.wikidata.org/prop/direct-normalized/> .
@prefix wikibase: <http://wikiba.se/ontology#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

wd:Q245102 rdfs:label "عدد مثلثي"@ar,
        "üçbucaq ədədləri"@az,
        "трыкутны лік"@be-tarask,
        "триъгълно число"@bg,
        "ত্রিকোণ সংখ্যা"@bn,
        "Trougaoni brojevi"@bs,
        "nombre triangular"@ca,
        "ژمارەی سێگۆشەیی"@ckb,
        "trojúhelníkové číslo"@cs,
        "rhif triongl"@cy,
        "trekanttal"@da,
        "Dreieckszahl"@de,
        "τριγωνικός αριθμός"@el,
        "nùmer triangulêr"@eml,
        "triangular number"@en,
        "triangula nombro"@eo,
        "número triangular"@es,
        "zenbaki triangeluar"@eu,
        "شماره سگوشه ای"@fa,
        "kolmioluku"@fi,
        "nombre triangulaire"@fr,
        "triihuktaal"@frr,
        "uimhir thriantánach"@ga,
        "àireamh thriantanach"@gd,
        "número triangular"@gl,
        "מספר משולשי"@he,
        "त्रिकोण संख्या"@hi,
        "háromszögszám"@hu,
        "numero triangular"@ia,
        "bilangan segitiga"@id,
        "þríhyrningstala"@is,
        "numero triangolare"@it,
        "三角数"@ja,
        "삼각수"@ko,
        "numerus triangularis"@la,
        "Dräieckszuel"@lb,
        "триаголен број"@mk,
        "Nombor segi tiga"@ms,
        "trekanttall"@nb,
        "driehoeksgetal"@nl,
        "trekanttal"@nn,
        "ਤਿਕੋਣੀਆ ਸੰਖਿਆ"@pa,
        "liczba trójkątna"@pl,
        "número triangular"@pt,
        "número triangular"@pt-br,
        "număr triunghiular"@ro,
        "треугольное число"@ru,
        "trojuholníkové číslo"@sk,
        "trikotniško število"@sl,
        "троугаони број"@sr,
        "triangeltal"@sv,
        "முக்கோண எண்"@ta,
        "จำนวนสามเหลี่ยม"@th,
        "üçgensel sayı"@tr,
        "трикутне число"@uk,
        "uchburchak sonlari"@uz,
        "số tam giác"@vi,
        "三角形數"@yue,
        "三角形數"@zh,
        "三角形数"@zh-cn,
        "三角形数"@zh-hans,
        "三角形數"@zh-hant,
        "三角形數"@zh-hk,
        "三角形数"@zh-sg,
        "三角形數"@zh-tw ;
    schema1:dateModified "2026-11-10T21:08:06+00:00"^^xsd:dateTime ;
    schema1:description "фігурны лік"@be-tarask,
        "figurativni brojevi"@bs,
        "Summe aus den Zahlen von 1 bis n"@de,
        "φυσικός αριθμός της μορφής n(n+1)/2"@el,
        "figurate number"@en,
        "número que puede recomponerse en la forma de un triángulo equilátero"@es,
        "nombre figuré"@fr,
        "número formado por obxectos colocados en forma de triangulo"@gl,
        "figurális szám"@hu,
        "numero naturale che può essere raffigurato graficamente sotto forma di triangolo equilatero o isoscele"@it,
        "物体を整然と正三角形の形に敷き詰めて並べる事ができる自然数"@ja,
        "Zomm vun den Zuelen 1 bis n"@lb,
        "sumy początkowych liczb naturalnych: 1+2+...+n = n(+1)/2"@pl,
        "класс фигурных чисел"@ru ;
    schema1:version 2567698077 ;
    wikibase:identifiers 7 ;
    wikibase:sitelinks 52 ;
    wikibase:statements 17 ;
    skos:altLabel "العدد المثلثي"@ar,
        "трыкутныя лікі"@be-tarask,
        "трыкутнікавы лік"@be-tarask,
        "трыкутнікавыя лікі"@be-tarask,
        "trojúhelníková čísla"@cs,
        "trekantstal"@da,
        "τριίγωνος αριθμός"@el,
        "trigonal number"@en,
        "números triangulares"@es,
        "trianón"@es,
        "kolmioluvut"@fi,
        "מספר משולש"@he,
        "מספרים משולשים"@he,
        "numeri triangolari"@it,
        "3角数"@ja,
        "numerus trigonalis"@la,
        "triangeltall"@nb,
        "driehoeksgetallen"@nl,
        "triangeltal"@nn,
        "triangulært tal"@nn,
        "треугольные числа"@ru,
        "三角形数"@zh ;
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    p:P1417 wds:Q245102-5924F822-903D-4B4A-8188-0260AC5FA176 ;
    p:P18 wds:Q245102-3BD38FB1-49CC-43EC-A9F0-76DD7EC6F3F1 ;
    p:P2534 wds:Q245102-1dd2c0dd-4645-9938-2e65-ead3fbd7c5f9 ;
    p:P2581 wds:Q245102-72D983F3-97E6-442D-8612-F2BA7E594FD5 ;
    p:P279 wds:Q245102-adaa5b31-4c4d-ea9c-ad2e-3e4f8f970e06 ;
    p:P2812 wds:Q245102-8DA3E0A3-16BF-411A-8DB1-7CEFB8ECCA43 ;
    p:P31 wds:Q245102-8FB0D26B-34C3-4E93-995B-8E0FDAF80A0D ;
    p:P373 wds:q245102-B4BA1C2A-AD10-4295-AB52-DDDB40D7C854 ;
    p:P6104 wds:Q245102-ED5A948B-7DC5-4972-AE69-92868411A564 ;
    p:P6366 wds:Q245102-57DB2868-C2BA-4EDB-AB8D-AF711D201BB8 ;
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    p:P7033 wds:Q245102-62A93817-8536-49FA-B350-4C4A2991447A ;
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    wdtn:P2581 <http://babelnet.org/rdf/s01420185n> ;
    wdtn:P6366 <https://makg.org/entity/67518608> ;
    wdtn:P7033 <http://vocabulary.curriculum.edu.au/scot/13463> ;
    wdt:P1343 wd:Q19219752 ;
    wdt:P1417 "topic/triangular-number" ;
    wdt:P18 <http://commons.wikimedia.org/wiki/Special:FilePath/N%C3%BAmeros%20triangulares.png> ;
    wdt:P2534 "<math class=\"mwe-math-element mwe-math-element-inline\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mrow data-mjx-texclass=\"ORD\"><mstyle displaystyle=\"true\" scriptlevel=\"0\"><msub><mi mathvariant=\"normal\">&#x0394;</mi><mrow data-mjx-texclass=\"ORD\"><mi>n</mi></mrow></msub><mo stretchy=\"false\">=</mo><mrow data-mjx-texclass=\"ORD\"><mstyle displaystyle=\"true\" scriptlevel=\"0\"><mrow data-mjx-texclass=\"ORD\"><mrow data-mjx-texclass=\"OPEN\"><mo minsize=\"2.047em\">(</mo></mrow><mfrac linethickness=\"0\"><mrow data-mjx-texclass=\"ORD\"><mrow data-mjx-texclass=\"ORD\"><mi>n</mi><mo stretchy=\"false\">+</mo><mn>1</mn></mrow></mrow><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></mfrac><mrow data-mjx-texclass=\"CLOSE\"><mo minsize=\"2.047em\">)</mo></mrow></mrow></mstyle></mrow><mo stretchy=\"false\">=</mo><mrow data-mjx-texclass=\"ORD\"><mfrac><mrow data-mjx-texclass=\"ORD\"><mrow data-mjx-texclass=\"ORD\"><mi>n</mi><mo stretchy=\"false\">(</mo><mi>n</mi><mo stretchy=\"false\">+</mo><mn>1</mn><mo stretchy=\"false\">)</mo></mrow></mrow><mrow data-mjx-texclass=\"ORD\"><mn>2</mn></mrow></mfrac></mrow><mo>,</mo><mi>n</mi><mo stretchy=\"false\">&#x2265;</mo><mn>1</mn></mstyle></mrow></math>"^^<http://www.w3.org/1998/Math/MathML> ;
    wdt:P2581 "01420185n" ;
    wdt:P279 wd:Q836270 ;
    wdt:P2812 "TriangularNumber" ;
    wdt:P31 wd:Q77358734 ;
    wdt:P373 "Triangular numbers" ;
    wdt:P6104 wd:Q8487137 ;
    wdt:P6366 "67518608" ;
    wdt:P646 "/m/01fbc7" ;
    wdt:P7033 "scot/13463" ;
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        "<math class=\"mwe-math-element mwe-math-element-inline\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><mrow data-mjx-texclass=\"ORD\"><mstyle displaystyle=\"true\" scriptlevel=\"0\"><msub><mi mathvariant=\"normal\">&#x0394;</mi><mrow data-mjx-texclass=\"ORD\"><mi>n</mi></mrow></msub></mstyle></mrow></math>"^^<http://www.w3.org/1998/Math/MathML> ;
    wdt:P829 "A000217" ;
    wdt:P910 wd:Q28372677 .