73939

Properties

Appears in sequences

• First term of weak prime sextet: 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=25A054828
• Numbers n such that n, 10*n+1, 10*n+3, 10*n+7 and 10*n+9 are all primes.at n=21A067267
• Primes p such that p's set of distinct digits is {3,7,9}.at n=37A108385
• Largest n-digit right-truncatable prime.at n=4A127890
• This sequence of prime numbers reproduces itself (without its "tail") when the last digit of each term is erased.at n=19A155873
• Primes of the form 3*m^2 - 8.at n=26A201781
• Primes formed by an m-digit prime concatenated with its last (m-1) digits, for m > 1.at n=37A252667
• a(n) is the smallest nonnegative k such that there is no 3 X 3 matrix with entries in {1,...,n} whose determinant is k.at n=35A262719
• Number of maximal sum-free and product-free subsets of {1..n}.at n=42A326497
• Prime numbersat n=7296