98717

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 57.at n=5A031645
• 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=14A241525
• Primes p for which p^i - 4 is prime for i = 1, 3 and 5.at n=15A243818
• Prime numbersat n=9477