11607649

Appears in sequences

• 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=32A216408
• Numbers n such that sigma(n) and sigma(n^2) are primes.at n=8A232444