Ramanujan–Nagell equation

the Diophantine equation 2ⁿ−7=𝑥²
rdfs:label
"Ramanujan–Nagell equation"@en
skos:altLabel
"Ramanujan-Skolem's theorem"@en
schema:description
"the Diophantine equation 2ⁿ−7=𝑥²"@en
schema:dateModified "2026-08-18T14:15:00+00:00"^^xsd:dateTime
schema:version 2532767524
wikibase:identifiers 4
wikibase:sitelinks 12
wikibase:statements 11
p:P138 wd:statement/Q1914905-7fcf0ac4-4aba-7649-ba20-b4f3eefa7c0e
wd:statement/Q1914905-9759bc86-41c9-e5b8-cf5c-991feb0f3b03
p:P2534 wd:statement/Q1914905-cf0d0d52-4da2-5b6c-d184-ed0e63a2cec8
p:P2812 wd:statement/Q1914905-5C41A719-AA9C-4B30-84B7-DC4F79788529
p:P31 wd:statement/Q1914905-349aceeb-44d1-c482-2179-8045131c5d6f
wd:statement/Q1914905-c2e7f1f6-4094-5451-a5a9-502c1ca8ac8f
p:P361 wd:statement/Q1914905-B9593462-A0A5-4E11-B4BD-7411A19684E0
p:P6104 wd:statement/Q1914905-0556E08A-B981-40F8-8E1D-547C72C18D43
p:P6366 wd:statement/Q1914905-25FB73D4-3CE9-4F61-9746-420969334E69
p:P646 wd:statement/Q1914905-E9E11AA6-E0FA-4FB8-AC14-8A528128A7CD
p:P6781 wd:statement/Q1914905-17fcf62c-4691-bf96-833f-3267dc9539c1
p:direct-normalized/P6366 <https://makg.org/entity/189804812>
wdt:P138 Trygve Nagell
Srinivasa Ramanujan
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"><msup><mn>2</mn><mrow data-mjx-texclass="ORD"><mi>n</mi></mrow></msup><mo stretchy="false">&#x2212;</mo><mn>7</mn><mo stretchy="false">=</mo><msup><mi>x</mi><mrow data-mjx-texclass="ORD"><mn>2</mn></mrow></msup></mstyle></mrow></math>"^^http://www.w3.org/1998/Math/MathML
wdt:P2812 "RamanujansSquareEquation"
wdt:P31 theorem
Diophantine equation
wdt:P361 list of theorems
wdt:P6104 WikiProject Mathematics
wdt:P6366 "189804812"
wdt:P646 "/m/07b9vk"
wdt:P6781 "Definition:Ramanujan-Nagell_Equation"
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