79531

Properties

Appears in sequences

• a(n) = p^n + q^n, p = (1 + sqrt(21))/2, q = (1 - sqrt(21))/2.at n=10A085487
• Largest n-digit prime in which the unit place digit is 1 and the k-th most significant digit is prime (2,3,5,7) if k is prime else is composite (4,6,8,9,0).at n=3A089706
• Primes with at least one of each odd digit and no even digits.at n=28A108418
• Start with 1 and repeatedly reverse the digits and add 66 to get the next term.at n=17A118200
• Primes of the form 9n^2 + 7.at n=22A201707
• Primes p with each odd decimal digit present at least once.at n=28A232447
• Intersection of A013917 and A071150.at n=39A255017
• Primes that are the first in a run of exactly 4 emirps.at n=27A346024
• Primes p such that between p and the previous prime there exist 2 distinct integers which are a square and a cube, respectively.at n=4A380522
• Prime numbersat n=7790