514269599
domain: N
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=28A064159
- Numbers n such that sigma(n) - n - 1 = pi(n).at n=28A064439
- Numbers k such that pi(k) = sopf(k) where sopf(k) is sum of distinct prime factors of k (A008472).at n=36A064444
- Numbers n such that phi(n) + pi(n) = n+1.at n=23A233189