Daily Archives: December 28, 2008

28

Posted on December 28, 2008 by Invader Xan

28 is approximately the number of Earth years that make one Saturn year. 28 is a happy number, a triangular number, a hexagonal number, a centred nonagonal number, a harmonic divisor number, the fourth magic number and the second perfect … Continue reading →

Posted in Imported from Livejournal | 18 Comments