92685
domain: N
Appears in sequences
- Numbers k such that k and k+1 have same sum of divisors.at n=23A002961
- Numbers k such that k and k+1 have the same sum but an unequal number of divisors.at n=15A054007
- Numbers n such that sigma(n+1) - sigma(n) = k*n for some integer k, where sigma(n) = A000203 (sum of divisors of n).at n=31A223136
- Numbers n such that floor(antisigma(n) / sigma(n)) = floor(antisigma(n+1) / sigma(n+1)).at n=19A244666
- Numbers k such that s(k) = s(k+1), where s(k) is the sum of recursive divisors of k (A333926).at n=23A333949
- Numbers m such that the delta(m) = abs(sigma(m+1)/(m+1) - sigma(m)/(m)) is smaller than delta(k) for all k < m.at n=28A335071
- Numbers k such that A051378(k) = A051378(k+1).at n=24A349283