25523

Properties

Appears in sequences

• Numbers whose square is palindromic in base 12.at n=34A029737
• a(n) = 2*p + 2*n - 1, where p is the least prime such that next_prime(2*p) - 2*p = 2*n - 1.at n=18A059847
• a(n) = 2*p + 2*n - 1, where p is the least prime such that next_prime(2*p) - 2*p = 2*n - 1.at n=22A059847
• Primes with every digit a prime and the sum of the digits a prime.at n=40A062088
• Smaller of a pair of consecutive primes having only prime digits.at n=14A082755
• Smallest prime which occurs exactly n times in the sequence A086527.at n=24A086528
• Primes from merging of 5 successive digits in decimal expansion of exp(2).at n=18A105001
• Primes with a prime number of digits, all of them prime, that add up to a prime.at n=15A110028
• Primes with prime number of only prime digits (i.e., 2, 3, 5, 7).at n=36A124888
• Numerators of triangle T(n,k), n>=1, 0<=k<=n - 1, read by rows: T(n,k) is the coefficient of x^k in polynomial p_n for the n-th row sequence of A145153.at n=57A145140
• Primes q (except greater of twin primes) with result 2 under iterations of {r mod (max prime p < r)} starting at r = q.at n=33A175080
• a(n) is the smallest prime q such that, for the previous prime p and the following prime r, the fraction (r-q)/(q-p) has denominator n in lowest terms.at n=25A179234
• Primes having only {2, 3, 5} as digits.at n=18A214703
• a(n) is the smallest n-isolated prime, or a(n)=0 if there are no n-isolated primes.at n=23A218275
• Number of nX3 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 nX3 array.at n=8A219847
• Primes formed from concatenation of PrimePi(n) and prime(n).at n=31A236551
• a(n) is the smallest prime number whose a056240-type is n (see Comments).at n=4A293652
• Primes for which A288814 gives a new record.at n=47A300097
• Primes p such that q=p^2+p+1 is prime and (q^2+q+1)/3 is prime.at n=31A322748
• Primes p*A007953(p)+1 for p in A338976.at n=44A338977