829

829 is a prime number.

829 has a representation as a sum of two squares: 829 = 10² + 27².

827 and 829 form a twin prime pair.

829 is the hypotenuse of a primitive Pythagorean triple: 829² = 540² + 629².

829 is a divisor of 5⁹ - 1.

829 is a centered triangular number.

829 is the sum of three consecutive primes: 829 = 271 + 277 + 281.

829 is a telephone area code for the Dominican Republic.

Source: WolframAlpha