34217

Properties

Appears in sequences

• Primes of the form k^2 - 8.at n=40A028886
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 19.at n=12A031607
• Numbers k such that 203*2^k + 1 is prime.at n=20A032478
• Numbers that, when expressed in base 8 and then interpreted in base 10, yield a multiple of the original number.at n=8A032551
• Duplicate of A032551.at n=8A062945
• Primes p2 such that p1^2 + p2^3 is an average of twin primes and p1 < p2 are consecutive primes.at n=34A138716
• Smallest nontrivial number m that when expressed in base n and then interpreted in base 10, is a multiple of the original number.at n=7A139285
• Lesser of consecutive primes whose average is of the form k*(k+2), for some integer k.at n=33A242385
• Smallest prime p such that p - floor(sqrt(p))^2 = n^2.at n=18A242991
• Concatenate n-th composite number with concatenation of its prime factors in ascending order.at n=21A245315
• Numbers formed by concatenating n with the distinct prime factors of n, left to right, smallest factors to largest, with a(1) = 10.at n=33A367918
• Number of integer compositions of n whose leaders of strictly increasing runs are identical.at n=19A374686
• Prime numbers p such that there exists a base b < 10 in which p is written as a number that is divisible by p when read as a decimal number.at n=8A375936
• Prime numbersat n=3656