353777
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Numerator of Sum_{k=1..n} 1/H(k), where H(k) = Sum_{j=1..k} 1/j is the k-th harmonic number.at n=5A096987
- Lesser of emirps (pairs) with only prime digits (A128388).at n=28A133554
- Primes of the form 5n^2 - 3.at n=25A201785
- Array read by antidiagonals. Rows are the numerators of consecutive harmonic transforms starting with a first row 1, 1, 1, ....at n=31A229556
- Prime numbersat n=30273