128389

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 47.at n=4A031635
• Primes p such that p, p+4, p+10, p+22, p+24, p+42 are all primes.at n=21A144594
• Numbers k > 1 such that (3/2)^k sets a new record for closest fractional part to 1/2.at n=11A334264
• Prime numbersat n=12019