2585663

Appears in sequences

• Product of twin primes of form (4*k+3,4*(k+1)+1), k>=0.at n=24A071700
• Numbers k equal prime(n)*prime(n+1) such that k+1 is a square and k-1 is even semiprime.at n=15A107423
• G-Lehmer numbers: Composite numbers k such that A060968(k) divides A201629(k).at n=31A235864