240101

Properties

Appears in sequences

• Primes of the form 2^a * 5^b * 7^c + 1 for positive a, b, c.at n=21A114992
• Primes associated with A127435.at n=26A127436
• Primes of the form 81n^2 - 90n + 26.at n=8A144571
• a(n) is the smallest prime p where |d(p-1) - d(p+1)| = n. (d(m) = the number of divisors of m.)at n=33A145338
• Sophie Germain primes of A144571.at n=1A154505
• Primes of the form p(k)^2 + p(m)^2, where k and m are positive integers, and p(.) is the partition function given by A000041.at n=20A259678
• Prime numbersat n=21232