698

698 = 2 x 349.

698 has a representation as a sum of two squares: 698 = 13² + 23².

698 is 221212 in base 3, 22322 in base 4, and 585 in base 11.

698 is the smallest of three consecutive integers divisible by three consecutive primes respectively: 698 = 2 x 349, 699 = 3 x 233, 700 = 5 x 140.

NGC 698 is a galaxy in the constellation Fornax.

Source: Positive Integers