Monday, March 15, 2010

205

205 = 5 x 41.

205 has two representations as a sum of two squares: 205 = 32 + 142 = 62 + 132.

205 is the hypotenuse of two primitive Pythagorean triples: 2052 = 842 + 1872 = 1332 + 1562.

Every number greater than 205 is the sum of distinct primes of the form 6n + 1.

205 is the number of pairs of twin primes less than 10,000.

The Peugeot 205 is a supermini produced by the French car manufacturer Peugeot between 1983 and 1997.

1 comment:

Carol said...

Make that: 205 is the hypotenuse of two primitive Pythagorean triples: **205**^2 = 84^2 + 187^2 = 133^2 + 156^2.