EntityQ965294· pop 17· linked from 291 articlesThabit numberSign in to saveinteger of the form 3 · 2ⁿ - 1 for non-negative nConnectionsPerrin numberEntitynatural numberEntityprime numberEntityamicable numbersEntitylist of prime numbersEntityfigurate numberEntityLucas numberEntityPell numberEntityirreducible polynomialEntityautomorphic numberEntitySmarandache–Wellin numberEntityStrobogrammatic numberEntityphysicianEntitytranslationEntityInternational Standard Book NumberEntitycomplex numberEntity11EntityQ37141Entitynumber theoryEntitymathematicianEntityCategoriesArab inventionsInteger sequencesMathematics in the medieval Islamic world