131041

Properties

Appears in sequences

• Quintan primes: p = (x^5 + y^5)/(x + y).at n=34A002650
• Crystal ball sequence for E_8 lattice.at n=3A008349
• Balanced primes separated from the next lower and next higher prime neighbors by 18.at n=26A053073
• Balanced primes (A090403) of index 4.at n=8A096708
• Primes of the form 2^j - 2^k + 1, where j > k >= 0.at n=38A152449
• Primes of the form 3*m^2 - 2.at n=32A201715
• Primes of the form 2520k + 1 for some k.at n=19A217588
• Primes of the form 2^k*(2^{phi(m)} - 1) + 1, where k and m are positive integers, and phi(.) is Euler's totient function.at n=29A234388
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=24A304480
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=25A304480
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=26A304480
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=27A304480
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=28A304480
• a(n) is the least m such that lambda(k) >= n for all k >= m where lambda is A002322, the Carmichael lambda function.at n=29A304480
• Where records occur in A304480.at n=50A335116
• Records in A304480.at n=6A335117
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = -3.at n=34A336801
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = -3.at n=31A341077
• Prime numbersat n=12248