39917

Appears in sequences

• Largest number x such that sum of divisors of x is n!.at n=5A055489
• Composite numbers not divisible by 2, 3, 5 or 7 which in base 2 contain their largest proper factor as a substring.at n=36A063138
• Smallest composite number in base n which contains its largest proper factor as a substring.at n=30A063248
• Least composite number not congruent to 0 (modulo the first n primes) which contains its greatest proper divisor as a substring of itself, both in base two.at n=38A077658
• Least composite number not congruent to 0 (modulo the first n primes) which contains its greatest proper divisor as a substring of itself, both in base two.at n=39A077658
• Numbers k such that sigma(k) = sigma(k - d(k)).at n=38A277273
• Number of integer partitions whose sum of primes of parts equals their sum of parts plus n.at n=44A331387