777773

Appears in sequences

• 3-nadirs of Omega: numbers k such that Omega(k-3) > Omega(k-2) > Omega(k-1) > Omega(k) < Omega(k+1) < Omega(k+2) < Omega(k+3), where Omega(k) = number of prime factors of k, counting multiplicity.at n=19A076778
• a(n) = (7*10^n - 43)/9 for n > 0.at n=5A173807
• Semiprimes whose next four consecutive integers have exactly three, four, five, and six prime factors, respectively (allowing multiplicity of factors).at n=12A248594