73289

Appears in sequences

• Composite numbers whose prime factors contain no digits other than 3 and 8.at n=29A036317
• Composite and every divisor (except 1) contains the digit 8.at n=15A062678
• Number of 4Xn 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=10A302729
• Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, formed inside a right triangle by the straight line segments mutually connecting all vertices and points on the two shorter edges whose positions equal the Farey series of order n.at n=28A359971