4112784

Appears in sequences

• Squares which when digits are rotated left once remain square.at n=11A035127
• Squares which produce squares when the leading digit is moved to the end.at n=21A061459
• Numbers of the form (12^i)*(13^j), with i, j >= 0.at n=25A108771
• Numbers with prime factorization p^2*q^4*r^4 where p, q, and r are distinct primes.at n=26A190471
• v(n+1)/v(n), where v=A203763.at n=5A203764
• Magic sums of 3 X 3 semimagic squares of squares whose rows, columns, and at least one of the two main diagonals sum to the same number.at n=17A271021
• Perfect powers k (exponent greater than 1) such that k-1 and k+1 are both semiprime.at n=24A276564