Thursday, January 6, 2011

245

245 = 5 x 72.

245 has a representation as a sum of two squares: 245 = 72 + 142.


2452 is one of three square numbers using the same digits: 2452 = 60025, 1602 = 25600, and 2502 = 62500.

245 is the number of Jewish singers who returned from captivity in Babylon following the rise of Cyrus the Great and the Persian Empire (Nehemiah, chapter 7, verse 67).

No comments: