2676495

Appears in sequences

• Numbers n such that the number of divisors of n+1 divides n and the number of divisors of n divides n+1.at n=22A272353
• Numbers m such that tau(m) = tau(m + 1) + 1 = tau(m + 2), where tau(k) = the number of divisors of k (A000005).at n=5A339777