Statements (12)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:mathematical_concept | 
| gptkbp:appearsIn | number theory | 
| gptkbp:describes | asymptotic density of integers expressible as sum of two squares | 
| gptkbp:estimatedCost | 0.764223653589220662990698731250092328116 | 
| gptkbp:firstDescribed | 1908 | 
| gptkbp:form | B = \frac{1}{\sqrt{2}} \prod_{p \equiv 3 \pmod{4}} \left(1 - p^{-2}\right)^{-1/2} | 
| gptkbp:namedAfter | gptkb:Edmund_Landau gptkb:Srinivasa_Ramanujan | 
| gptkbp:symbol | B | 
| gptkbp:bfsParent | gptkb:Lev_Landau | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | Landau–Ramanujan constant |