7289

7289 = 37 x 197.

7289 and each of its two divisors include the digit 7 (A062676).

7289 is 2929 in base 14.

7289 has two representations as a sum of two squares: 7289 = 8² + 85² = 20² + 83².

7289 is the hypotenuse of two primitive Pythagorean triples: 7289² = 1360² + 7161² = 3320² + 6489².

7289 divides 14¹² - 1.

Source: OEIS