1717 = 17 x 101.
1717 has two representations as a sum of two squares: 1717 = 62 + 412 = 142 + 392.
1717 is the hypotenuse of two primitive Pythagorean triples: 17172 = 4922 + 16452 = 10922 + 13252.
1717 is a divisor of 1008 - 1.
French mathematician and encylopaedist Jean le Rond d'Alembert was born on Nov. 16, 1717.
Photo credit: MathDL Portrait Gallery
