627095
domain: N
Appears in sequences
- Numbers n such that n and n+1 have 5 distinct prime factors.at n=21A140079
- Composite squarefree numbers that are multiples of the root mean square of their prime factors.at n=25A255356
- Numbers k such that k and k+1 each have at least 5 distinct prime factors.at n=21A321505
- Composite squarefree numbers k = Product_{i} p_i such that k^2 is divisible by Sum_{i} p_i^2.at n=14A332738