
Curios:
Curios Search:
Participate: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) The smallest prime that can be expressed in the form x^{2} + ny^{2} for all values of n from 1 to 10. [Ashbacher] The smallest prime or emirp greater than a thousand. [Gevisier] The smallest prime whose fifth power is pandigital (i.e., containing all digits from 0 to 9). [Gupta] The smallest number which is the sum of three distinct positive cubes in more than one way: 1^{3} + 2^{3} + 10^{3} and 4^{3} + 6^{3} + 9^{3}. [Beedassy] The smallest prime, when written in English, that contains the letter 'a.' [Patterson] The smallest emirp which yields an emirpimes when turned upside down. [Capelle] MIX's model number in Donald Knuth's monograph, The Art of Computer Programming. ("MIX" equals 1009 in Roman numerals.) [Nowacki] The sum of the cubes of the first three semiprimes. [Silva] The smallest prime with a nonprime number of only nonprime digits. [Beedassy] The smallest odd prime number of "hyperforests" on n unlabeled nodes (case n=9). [Post] The smallest emirp with a multiplicative persistence equal to its digital root. [Beedassy] The smallest emirp that can be represented as sum of a prime plus its reversal in two ways, i.e., 257+752=653+356. [Loungrides] In the 2002 movie Minority Report, John Anderton goes upstairs to room 1009, and realizes that Leo Crow is really in room 1006. [Wesolowski] There were 1009 distinct submitters on the website "Prime Curios!" as of Friday the 13th, 2018. [Homewood] The smallest prime p such that p^2 (1018081) and (reversal(p))^2 (81018001) each contain all of cube digits {0, 1, 8} only. [Bajpai]
(There are 6 curios for this number that have not yet been approved by an editor.)
Prime Curios! © 20002019 (all rights
reserved)
privacy statement
