142421

Properties

Appears in sequences

• Numerators of continued fraction convergents to sqrt(34).at n=10A041056
• Numerators of continued fraction convergents to sqrt(850).at n=4A042640
• Primes in which the frequency of every digit is the same and is at least 2.at n=23A087395
• Primes of the concatenated form 1nn1 where n is an integer >=0.at n=9A102497
• Prime numbers appearing in A139033.at n=12A139034
• Let p_(3,2)(m) be the m-th prime == 2(mod 3). Then a(n) is the smallest p_(3,2)(m) such that the interval(p_(3,2)(m)*n, p_(3,2)(m+1)*n) contains exactly one prime == 2 (mod 3).at n=36A210467
• Primes such that the decimal digits in the first half of the number are a nontrivial permutation of the digits in the second half.at n=14A297994
• Prime numbersat n=13218