90679

Properties

Appears in sequences

• Numbers k such that 53^k - 52^k is a prime.at n=10A062619
• Smaller of two consecutive primes which are anagrams of each other.at n=34A069567
• Primes from merging of 5 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.at n=13A105378
• Odd primes generated recursively: a(1) = 3, a(n) = Min {p is prime; p divides Q+2}, where Q is the product of previous terms in the sequence.at n=12A125045
• Emirps starting and ending with composite digit 9.at n=14A128374
• Smaller prime p in Ormiston pairs (p, q) with q - p = 18.at n=32A163678
• Duplicate of A163678.at n=32A175517
• Canyon primes (A134971) whose first and last digits are 9.at n=32A179673
• Prime numbersat n=8777