Thursday, August 9, 2012

6115

6115 = 5 x 1223.

6115 is a number n such that n2 - 6 and n2 + 6 are both prime (A108403).

6115 is the number of S, E, and NW-moving king's tours on a 13 x 13 board summed over all starting positions (A187510).


6115 Martinduncan is an asteroid discovered in 1984 and named in honor of astronomer Martin J. Duncan of Queen's University, Kingston, Ontario.

Source: On-Line Encyclopedia of Integer Sequences

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