WON plate85 | World!OfNumbers Nine Digits Digressions - Enjoy the puzzle! For this interactive puzzle you need a java supporting browser! gratispuzzelen.nl Here are some smallest solutions such that...5986 = 2 x 41 x 73 the digits of n and the prime factorization of n are from the set 1 to 9 with each digit occurring exactly one time. 28651 = 7 x 4093 the digits of n and the prime factorization of n are from the pandigital set 0 to 9 with each digit occurring exactly one time. 14368485 = 3 x 5 x 17 x 29 x 29 x 67 the digits of n and the prime factorization of n are from the set 1 to 9 with each digit occurring exactly two times. 40578660 = 2 x 2 x 3 x 3 x 5 x 17 x 89 x 149 the digits of n and the prime factorization of n are from the pandigital set 0 to 9 with each digit occurring exactly two times. Special thanks goes to G. L. Honaker, Jr. for providing the original idea ! Prime Curios! sources : 5986 28651 14368485 40578660 A lot more curious fact and figures about these numbers can be found on my Nine Digits Digressions webpage. A000085 Prime Curios! Prime Puzzle Wikipedia 85 Le Nombre 85 Numberland 85