298

298 = 2 x 149.

298 has a representation as a sum of two squares: 298 = 3² + 17².

298 = (2² + 9² + 8²) + (2² + 9² + 8²).

298 is the sum of four distinct squares a² + b² + c² + d², such that a² + b², c² + d², a² + d², and b² + c² are all prime.

298 Baptistina is an asteroid discovered in 1890.

Source: Numeropedia