1102499

Appears in sequences

• Product of twin primes of form (4*k+1,4*k+3), k>0.at n=19A071697
• Semiprimes p*q for which p and q are successive primes and their binary representations differ from each other in one bit position only.at n=47A261080
• Numbers k such that k and k+1 are both nonprime-powers whose all distinct prime divisors are consecutive primes (A066312).at n=21A346910