1117 (another Prime Pages' Curiosity)
 Curios: Curios Search:   Participate: The smallest square prime. (A square prime is a prime of n2 digits (n > 1) arranged left-right, top-down in a n-by-n matrix, where the rows and columns are also prime in each direction.) [Croll] The smallest 4-digit prime comprised of two two-digit primes. [Sladcik] "One Thousand One Hundred Seventeen" is the smallest number whose English name is spelled with exactly thirty letters. It happens to be a prime. [Post] The concatenated prime factors of (1117). [Lewis] The famous Japanese mathematician Yutaka Taniyama (1927-1958) committed suicide on November the seventeenth (11/17). The smallest of only two square primes of order 2 that are also diagonal primes. The other is 1171. [Loungrides] The smallest prime formed by concatenating the smaller members of two successive twin prime pairs: {(11, 13) ; (17, 19)}. Note that the reverse concatenation of the larger members forms an emirp (1913), and that similar properties hold for the two successive twin prime pairs {(101, 103) ; (107, 109)} : 101107 is prime while 109103 is an emirp. [Beedassy] prime(11*17) = 1117. [Nagipoor]   To link to this page use http://primes.utm.edu/curios/page.php?number_id=1566 Prime Curios! © 1999-2013 (all rights reserved)