221719

Properties

Appears in sequences

• Primes p such that the Fibonacci iterations starting with (1, p) lead to a "nine digits anagram".at n=28A034588
• Second term of weak prime septet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4).at n=10A054835
• Prime numbersat n=19755