290

290 = 2 x 5 x 29.

290 equals the tenth prime times ten: 29 x 10 = 290.

290 is the sum of four consecutive primes: 67 + 71 + 73 + 79 = 290.

290 has a base 3 representation (101202) that ends with its base 6 representation (1202).

290 has two representations as a sum of two squares: 290 = 1² + 17² = 11² + 13².

NGC 290 is an open cluster of stars in the Small Magellanic Cloud, which is located in the constellation Tucana.

Source: Wikipedia