79947

Appears in sequences

• Numbers k such that k and k+1 have the same sum of non-unitary divisors (A048146), for A048146(k) > 0.at n=6A064115
• Numbers k such that sopfr(k + omega(k)) = sopfr(k), where sopfr(i) = A001414(i) and omega(i) = A001221(i).at n=39A187878