28099

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 3x + 2.at n=22A023277
• A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of three complementary pairs of simple musical tones: 7/6 and 12/7, 6/5 and 5/3 and 7/5 and 10/7.at n=35A060529
• n is prime and is the sum of the first k primes for some k, start from 5.at n=10A155851
• Prime p1 of consecutive primes p1, p2, where p2-p1=10, and p1, p2 are in different centuries.at n=30A160500
• Primes of the form 10n^2 + 9.at n=9A201711
• a(n) = prime(k+1) with k = n^2 + prime(n)^2.at n=15A243894
• Greater of twin primes of (40n-23,40n-21).at n=36A244505
• Lexicographically largest strictly increasing sequence of primes for which the continued square root map produces Feigenbaum's constant delta = 4.6692016... (A006890).at n=27A257809
• Primes that can be constructed by concatenating two squares >= 4.at n=25A345314
• Primes having only {0, 2, 8, 9} as digits.at n=27A386055
• Prime numbersat n=3066