1301989

Appears in sequences

• Numbers n such that g(n) + sopfr(n) = n, where g(n)= number of nonprimes <=n (A062298) and sopfr(n) = sum of primes dividing n with repetition (A001414).at n=19A064159
• Numbers n such that sigma(n) - n - 1 = pi(n).at n=15A064439
• Numbers k such that pi(k) = sopf(k) where sopf(k) is sum of distinct prime factors of k (A008472).at n=26A064444
• Numbers n such that phi(n) + pi(n) = n+1.at n=15A233189