EntityQ532389· pop 24· linked from 287 articlesCullen numberSign in to savenumber of the form n*(2^n)+1ConnectionsPerrin numberEntityprime numberEntitydivisorEntityOn-Line Encyclopedia of Integer SequencesEntitylist of prime numbersEntityfigurate numberEntityLucas numberEntityPell numberEntityautomorphic numberEntitySmarandache–Wellin numberEntityStrobogrammatic numberEntitymathematicsEntityInternational Standard Book NumberEntitynatural numberEntitycomplex numberEntityintegerEntityProvidenceEntity11EntityQ37141Entity17EntityCategoriesClasses of prime numbersInteger sequencesUnsolved problems in number theory