200989

Properties

Appears in sequences

• Smallest prime factor of n! + 2n - 1.at n=15A139466
• Number of n X n symmetric 0..4 arrays with each element equal to the sum mod 5 of two of its horizontal and vertical neighbors.at n=4A193121
• Primes containing the digits (2,0,0,9) in that order.at n=15A197114
• Upper twin prime-indexed primes in the sequence of prime(prime(i)).at n=12A228055
• Prime numbersat n=18061