 93 (ninety-three) is the natural number following 92 and preceding 94. ==in mathematics== 93 is the twenty-eighth distinct semiprime and the ninth of the form (3.q). it is the first number in the third triplet of consecutive semiprimes, 93, 94, and 95. since its two prime factors, 3 and 31 are both gaussian primes, this means that 93 is a blum integer. 93 is a repdigit in base 5 (333). it is a lucky number a cake number, and an idoneal number. there are 93 different cyclic gilbreath permutations on 11 elements, and therefore there are 93 different real periodic points of order 11 on the mandelbrot set.. ==in other fields== ninety-three is: *the atomic number of neptunium, an actinide. * the code for international direct dial phone calls to afghanistan. * one of two isbn group identifiers for books published in india. * the number of the french department seine-saint-denis, and as such used by many french gangsta rappers and those emulating their speech... in classical persian finger counting, the number 93 is represented by a closed fist. because of this, classical arab and persian poets around 1 ce referred to someone's lack of generosity by saying that the person's hand made "ninety-three". . ==see also== *93, a year in the julian calendar *list of highways numbered 93 *ninety-three (quatrevingt-treize), a novel concerning 
Integers