7698

7698 = 2 x 3 x 1283.

7698² = 59259204.

7698 is the number of ways to place 10 non-attacking kings on a 4 x 10 chessboard (A061593).

The set of base 7 digits of 7698 equals the set of base 9 digits of 7698 (A037439): {0, 1, 3, 5}.

7698 is a number n for which 12n + 1, 12n + 5, 12n + 7, and 12n + 11 are primes (A123985).

Source: On-Line Encyclopedia of Integer Sequences