391921

Properties

Appears in sequences

• Primes of the form x^4 + y^4 with x^2 + y^2 and x+y also prime.at n=22A100268
• Semi-octavan primes: primes of the form x^4 + y^8.at n=23A291206
• Numbers k for which 10k+1, 10k+3, 10k+7, 10k+9, 10k+31, 10k+33, 10k+37, and 10k+39 are primes.at n=2A379677
• Prime numbersat n=33222