253103

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 2x + 7.at n=20A023305
• a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=5.at n=30A242906
• Prime numbersat n=22287