23057

Properties

Appears in sequences

• Primes that are palindromic in base 11.at n=31A029978
• Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6*n.at n=23A052350
• Primes p whose period of reciprocal equals (p-1)/11.at n=7A056216
• Primes p such that x^48 = 2 has no solution mod p, but x^24 = 2 has a solution mod p.at n=28A059669
• Starting positions of strings of three 6's in the decimal expansion of Pi.at n=16A083625
• Primes which are the sum of three 5th powers.at n=7A085319
• Primes p giving prime quadruples (30p+11, 30p+13, 30p+17, 30p+19).at n=14A087771
• a(n) = lesser of a pair of twin primes p, q=p+2 such that product of first n primes plus p is a prime and also product of first n primes plus q is a prime.at n=38A090795
• Duplicate of A056216.at n=7A098678
• Primes p such that p + 2, 18*p^2 + 1, and 18*(p+2)^2 + 1 are all primes.at n=11A115272
• Primes of the form p^2 + q^8 where p and q are primes.at n=8A122710
• Duplicate of A085319.at n=7A123032
• Primes congruent to 60 mod 61.at n=38A142858
• Primes starting and ending respectively with 23 and 57, and with either no space or only 0's in between.at n=1A160403
• Primes remaining primes under map 3<=>5 (interchange of decimal digits 3 and 5).at n=30A198047
• Primes of the form 6n^2 - 7.at n=23A201792
• Primes that are the sum of three consecutive primes in A034962.at n=35A207527
• Smallest prime p such that n primes exist between the prime triple (p, p+2, p+6) and the next prime triple.at n=19A214450
• Primes p such that A179382((p+1)/2) = (p-1)/16.at n=37A225759
• Number of tilings of a 7 X n rectangle using integer-sided square tiles of area > 1.at n=35A226371