The Number 515: Properties and Meanings
is a 53-gonal Number
The Divine Comedy incorporates an unsolved puzzle in numerology. Dante prophesied that the Apocalypse would be preceded by a messenger represented by the number 515. Scholars are agreed that the problem is related to the number 666, the number of the Beast of the Apocalypse in the Book of Revelation. No solution to these puzzles has yet been found.
The Year 515 AD
In the year 515