8242

8242 = 2 x 13 x 317.

Concatenating 8242 with 1 less than 8242 produces a square (A054214 and A054215): 82428241 = 9079².

The base 4 representation of 8242 has 4 zeroes, 2 twos, and no ones (A045033 and A045059): 2000302.

8242 has two representations as a sum of two squares: 8242 = 41² + 81² = 59² + 69².

Source: What's Special About This Number?