85847
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes of form p^2 - 2, where p is prime.at n=25A049002
- Primes p of form q^k-2 where q is also a prime and k > 1.at n=35A053705
- Primes from merging of 5 successive digits in decimal expansion of cos(1).at n=18A104961
- Primes of the form 1 + prime(k) + (prime(k + 1))^2 + (prime(k + 2))^3 + (prime(k + 3))^4 for some k.at n=2A165614
- Primes p such that sum of divisors of p+2 is prime.at n=10A171130
- Primes of the form p^q - q, where p and q are primes.at n=27A182474
- Fajtlowicz p-primes.at n=55A185955
- Smaller of Fermi-Dirac twin primes (A229064) which are not the smaller of twin primes (A001359).at n=31A229500
- Number of partitions of n such that (greatest part) - (least part) <= number of parts.at n=47A237831
- Numbers k such that (76*10^k - 211)/9 is prime.at n=23A293189
- Numbers k such that tau(k) and tau(k+2) are both prime, where tau is the number of divisors function (the lesser of twin prime pairs are excluded).at n=33A343495
- a(n) = the number of cubes (of integers > 0) that have bit length n.at n=55A365932
- Primes of the form p^q - 2, where p and q are primes.at n=29A389431
- Prime numbersat n=8354