68898

Appears in sequences

• Numbers with multiplicative persistence value 7.at n=1A046516
• Least n such that nextprime(p*n) > p*nextprime(n) where p runs through the prime numbers (if p is prime then nextprime(p)=p).at n=25A117102
• Averages of twin prime pairs that are sums of 5 consecutive averages of twin prime pairs.at n=19A160919
• Composite numbers whose multiplicative persistence is 7.at n=1A199997
• a(n) = Sum_{k=1..n} sigma_n(k) * floor(n/k).at n=5A356046