5489641

Appears in sequences

• Poulet numbers (2-pseudoprimes) of the form 7200*n^2 + 8820*n + 2701.at n=15A214016
• Strong pseudoprimes (base 2) that become prime when two is subtracted.at n=20A230483
• Strong pseudoprimes k to base 2 such that either k-2 or k+2 is prime.at n=28A230487
• Each term of A003215 (centered hexagonal numbers) is multiplied by the corresponding term of A003154 (centered dodecagonal numbers).at n=23A338795