8709121
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- A symmetrical triangle sequence: t(n,m)=n!*Binomial[n, m]*Eulerian[n + 1, m] - n! + 1.at n=29A174693
- A symmetrical triangle sequence: t(n,m)=n!*Binomial[n, m]*Eulerian[n + 1, m] - n! + 1.at n=34A174693
- Smallest prime factor of the n-th highly totient number (A097942(n)) plus 1.at n=51A209195
- Primes of the form k!*m! + 1, with k <= m.at n=13A392757
- Prime numbersat n=584283