11282881

Appears in sequences

• Squares composed of digits {1,2,8}.at n=6A053887
• Indices k of perfect squares among 17-gonal numbers A051869(k) = k*(15*k - 13)/2.at n=5A137880
• Perfect squares which can be written neither as a^2+b^2, nor as a^2+2*b^2, nor as a^2+3*b^2, nor as a^2+7*b^2, with a > 0 and b > 0.at n=31A216408
• Squares whose digits are powers of 2.at n=27A272884
• Perfect powers whose digits are all powers of the same single-digit base.at n=33A385351