Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake: Passage: 1729 shine lambar Carmichael ta uku, lambar Chernick <unk> Carmichael ta farko (biyu A033502 a cikin OEIS), kuma farkon cikakkiyar Euler pseudoprime. Hakanan lambar sphenic ce. Tambaya: wace lamba ce 1729
lambar sphenic