EntityQ279156· pop 12· linked from 11 articlesEngel expansionSign in to savedecomposition of a positive real number into a series of unit fractions, each an integer multiple of the next oneConnectionsintegerEntityfunctionEntityFibonacciEntityrational numberEntitymathematical proofEntitydigital object identifierEntityirrational numberEntityEuler's numberEntityseriesEntityPaul ErdősEntitysequenceEntitysubsetEntityintervalEntityJSTOROrganizationcoefficientEntity0.999...EntityRiemann zeta functionEntitylimit of a sequenceEntitypositive real numberEntityOn-Line Encyclopedia of Integer SequencesEntityCategoriesContinued fractionsEgyptian fractionsMathematical analysis