3392933

Properties

Appears in sequences

• Second palindromic prime pyramids with a(1)=2 such that (number of digits in a(n+1)) = (number of digits in a(n)) + 2.at n=3A070927
• Palindromic primes in which deleting the outside pair of digits yields a prime at every stage until finally a single-digit prime is obtained.at n=22A071119
• Palindromic good primes.at n=16A096473
• Numbers palindromic in bases 10 and 25.at n=30A250410
• a(0) = 2. For n >= 1, a(n) is the least prime p such that a(n-1) + p has n prime factors counted with multiplicity.at n=19A363786
• Prime numbersat n=243061