EntityQ73026· pop 16· linked from 35 articlesLegendre's constantSign in to savethe number 1, as occurring in a formula conjectured by LegendreConnectionsFirst Hardy–Littlewood conjectureEntityInternational Standard Book NumberEntitydigital object identifierEntityInternational Standard Serial NumberEntitymathematical constantEntityJSTOREntitynatural logarithmEntityGoldbach's conjectureEntityAdrien-Marie LegendreEntityJacques HadamardEntityPafnuty ChebyshevEntityprime number theoremEntitytwin primeEntityOn-Line Encyclopedia of Integer SequencesEntitybig O notationEntityEdmund LandauEntityMathWorldEntityprime-counting functionEntityEric W. WeissteinEntityLandau's problemsEntityCategories1 (number)Analytic number theoryConjectures about prime numbersIntegersMathematical constants