667567716

Appears in sequences

• When squared gives number composed of digits {4,5,6}.at n=11A030177
• a(n)^2 is the smallest square whose digits occur with the same frequency n.at n=5A052069
• Numbers k such that k and k^2 use only the digits 1, 4, 5, 6 and 7.at n=35A137046