100673

Properties

Appears in sequences

• Denominators of continued fraction convergents to sqrt(140).at n=10A041257
• a(n) is the smallest n-digit prime p such that the concatenation a(1)a(2)...a(n-1)p is prime, with a(1) = 2.at n=5A049462
• The larger member of a prime pair (p,p+100000).at n=13A165297
• Least number k>1 such that (tau(k-1)+tau(k+1))/tau(k) = n where tau = A000005.at n=44A190644
• a(n) = Sum_{k=0..floor(n/3)} binomial(2*n-3*k+1,n-3*k).at n=9A390702
• Prime numbersat n=9648