85439
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) is smallest prime > 3*a(n-1), a(1) = 3.at n=9A065540
- Primes which are a concatenation of n and prime(n).at n=23A084667
- Primes p such that the concatenation of p and 29 is a square number: "p 29" = N = m^2.at n=35A168545
- Number of numbers in n-th generation of the tree of Gaussian rationals at A233696.at n=15A245264
- Distinct-digit primes that are the concatenation of m and prime(m) for some number m.at n=11A255596
- Distinct-digit numbers that are the concatenation of m and prime(m) for some number m.at n=32A255729
- Number of nX4 0..1 arrays with every element unequal to 2, 3 or 4 king-move adjacent elements, with upper left element zero.at n=8A303686
- a(n) is the least prime factor of the alternating factorial n! - (n-1)! + (n-2)! - ... 1! for n > 2; a(1) = a(2) = 1.at n=22A359808
- Primes that are the sum of all primes in an interval [k,2*k] for some k>=1.at n=42A389113
- Prime numbersat n=8316