80487

Appears in sequences

• Let n be the number whose square n^2 has the decimal expansion { d(1) d(2) ... d(D) }, and let q be the corresponding number whose decimal expansion is { d(2) d(3) ... d(D) d(1)}. Sequence lists numbers n dividing q.at n=47A177928
• Positive integers n that are equal to the determinant of the circulant matrix formed by the decimal digits of n.at n=23A219324
• Positive integers m that are equal to the determinant of the circulant matrix formed by the decimal digits of m in reverse order.at n=23A219326
• Positive integers k that are equal to the absolute value of the determinant of the circulant matrix formed by the decimal digits of k.at n=25A219327
• Numbers n such that n * (x-1)/x produces a rotation of the digits in n for some value of x.at n=43A288626
• Positive integers m that are equal to the determinant of the left circulant matrix formed by the decimal digits of m.at n=14A348428