3387

3387 = 3 x 1129.

3387 is the largest of three consecutive semiprimes (A115393).

3387 is the number of different keys with 7 cuts, depths between 1 and 7 and depth difference at most 1 between adjacent cut depths (A002714).

3387 and 3³³⁸⁷ end with the same two digits (A067749).

3387 divides 31⁸ - 1.

Source: OEIS