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