280001

Properties

Appears in sequences

• Primes of the form 2^a * 5^b * 7^c + 1 for positive a, b, c.at n=22A114992
• G.f.: (1+38*x+262*x^2+475*x^3+254*x^4+37*x^5+x^6)/(1-x)^7.at n=7A160837
• Prime numbersat n=24433