EntityQ3109228· pop 7· linked from 15 articlesalmost integerSign in to saveany number that is not an integer but is very close to oneConnectionsHeegner numberEntityPiConceptintegerEntitygolden ratioEntityEuler's numberEntityFibonacci sequenceEntityMathWorldEntityrecreational mathematicsEntityEric W. WeissteinEntityLucas numberEntitytheta functionEntity744EntityEisenstein seriesEntityPisot–Vijayaraghavan numberEntityschizophrenic numberEntityCategoriesIntegersRecreational mathematics