portrait: 93

93 is: the 28th distinct semiprime and the 9th of the form (3.q) where q is a higher prime. the first number in the 3rd triplet of consecutive semiprimes, 93, 94, 95. with an aliquot sum of 35; itself a semiprime, within an aliquot sequence (93,35,13,1,0) of three numbers to the Prime 13 in the 13-Aliquot tree. a Blum integer, since its two prime factors, 3 and 31 are both Gaussian primes. a repdigit in base 5 (3335), and 30 (3330). palindromic in bases 2, 5, and 30. a lucky number. a cake number. an idoneal number.