41203

Properties

Appears in sequences

• Primes of the form n^2 - 6.at n=29A028880
• Numerators of continued fraction convergents to sqrt(669).at n=7A042286
• First term of strong prime sextets: p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3) > p(m+5)-p(m+4).at n=13A054813
• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=11A067267
• Odd prime values of sigma(k) - phi(k) taking k in increasing order.at n=45A068419
• Least m such that one less than m-th prime has n divisors (or 0 if no such prime exists).at n=37A072275
• Irregular primes the indices of whose indices are irregular primes of order two.at n=3A090887
• Five-digit primes which use each of the decimal digits 0 through 4 exactly once.at n=13A109176
• Numbers k such that the sum of first k Catalan numbers is a prime.at n=13A134775
• Centered heptagonal prime numbers.at n=25A144974
• Centered heptagonal twin prime numbers.at n=11A144975
• Primes formed by rearranging five consecutive decimal digits (avoiding leading 0).at n=16A156119
• Primes whose digits can be arranged as consecutive digits (more precisely, to form a substring of 0123456789).at n=37A177119
• Primes whose digits are a permutation of (0, ..., m) for some m.at n=13A187796
• The Matula-Goebel numbers of the rooted trees that have palindromic Wiener polynomials.at n=25A198322
• Number of partitions of n such that the number of parts and the smallest part are coprime.at n=40A200928
• Numbers whose digits are a permutation of [0,...,n] and which contain the product of any two adjacent digits as a substring.at n=30A203569
• In base 5, numbers n which have 5 distinct digits, do not start with 0, and have property that the product (written in base 5) of any two adjacent digits is a substring of n.at n=14A210016
• Lesser of consecutive primes whose average is of the form k*(k+2), for some integer k.at n=36A242385
• Primitive prime factors of the cyclotomic polynomial sequence Phi(9,k) in the order in which they occur.at n=36A256144