220217

Properties

Appears in sequences

• Smallest prime factor of googol - n that exceeds 13, or 1 if googol - n is 13-smooth.at n=2A078813
• Prime factors of 10^100 - 2.at n=1A228001
• a(n) is the numerator of the probability that n segments of length 2, each placed randomly on a line segment of length 2n, will completely cover the line segment.at n=6A231580
• Discriminants of real quadratic number fields with 3-class rank 2.at n=22A269318
• Discriminants of real quadratic fields with 3-class group of type (3,3).at n=22A269319
• Primes formed by concatenating n with n-3.at n=23A279213
• Expansion of Product_{k>=1} 1 / ((1 - x^k) * (1 - x^(k^3))).at n=39A369579
• Prime numbersat n=19633