4115964

Appears in sequences

• Numbers k such that decimal expansion of k^2 contains k as a substring and k does not end in 0.at n=18A046831
• Internal digits of k^2 include digits of k as substring, k does not end in 0.at n=6A046837
• Numbers k such that (k - digitsum(k))(k + digitsum(k)) contains k as a substring.at n=21A334249