169009

Properties

Appears in sequences

• Primes p such that (12*p - 1, 12*p + 1) and (18*p - 1, 18*p + 1) are twin primes.at n=20A138660
• Primes of the form x^2 + 5*y^2, where x and y=x+1 are consecutive natural numbers.at n=37A176608
• Primes of the form 10n^2 + 9.at n=22A201711
• Number of integer partitions of n whose product is a multiple of n + 1.at n=55A379320
• Prime numbersat n=15413