98123
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Pairwise sums of general ballot numbers (A002026).at n=12A102071
- Primes of the form (p^2 - 3)/2 where p is also prime.at n=39A165635
- Numbers n such that both n and n^2 contain "123" as a substring.at n=4A268278
- Primes p such that both p and p^2 contain "123" as a substring.at n=1A268279
- Numbers n such that 2n+1 is prime, 2n+3 is square, and 2n+5 is triangular.at n=2A292284
- Lexicographically earliest infinite sequence of distinct primes such that, for n > 0, 2n | (a(n+1) - a(n)) and, for n > 0, b(n+1) > b(n) where b(n) = (a(n+1) - a(n)) / 2n.at n=37A350392
- Prime numbersat n=9427