EntityQ1025756· pop 10· linked from 48 articlesCahen's constantSign in to savenumber, approximately 0.6434, the value of an alternating series derived from Sylvester's sequenceConnectionsmathematicsEntityPiConceptInternational Standard Book NumberEntitydigital object identifierEntitygolden ratioEntityirrational numberEntityEuler's numberEntityseriesEntityflag of NepalEntitytranscendental numberEntitysquare root of 2Entitycontinued fractionEntityOn-Line Encyclopedia of Integer SequencesEntityrecurrence relationEntityMathWorldEntityQ22908627Entitydoubling the cubeEntityunit fractionEntitysquare root of 3EntityEric W. WeissteinEntityCategoriesMathematical constantsReal transcendental numbers