98639

Properties

Appears in sequences

• a(n) is the smallest start of a run of exactly n consecutive primes such that the sum of the digits of each prime is composite.at n=21A241525
• Numbers k with at least one nonpalindromic divisor such that the sum of sigma(d) = the sum of sigma(reverse(d)), where d runs over the divisors of k.at n=1A247826
• Prime numbersat n=9470