27427

Properties

Appears in sequences

• Numbers n such that n is a substring of its square in base 8 (written in base 10).at n=19A018832
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 92 ones.at n=23A031860
• Numbers k such that the decimal part of k^(1/6) starts with a 'nine digits' anagram.at n=11A034281
• a(n) = a(n-2) + a(n-3), with a(0) = 3, a(1) = 2, a(2) = 6.at n=33A046877
• Numbers k such that (5^k + 2^k)/7 is prime.at n=12A082387
• Primes from merging of 5 successive digits in decimal expansion of e.at n=7A104846
• a(n) is the least prime such that the subsets of { a(1), ..., a(n) } sum up to 2^n different values.at n=14A138000
• Primes of the form XYX, where Y is a single digit.at n=34A154270
• Primes of the form 4*n^3-9.at n=4A200734
• Number of 5 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 5 X n array.at n=27A220035
• Primes of the form abcabc..abcab.at n=19A228627
• Least prime p such that 2*prime(p*n)+1 = prime(q*n) for some prime q.at n=28A260882
• Primes p such that 2*p+1 is divisible by the sum of digits of p+1.at n=45A267542
• Yarborough primes that remain Yarborough primes when each of their digits are replaced by their cubes.at n=41A296563
• Primes having only {2, 4, 7} as digits.at n=20A385784
• Prime numbers of the form A385986(1) + ... + A385986(k) for some k > 0.at n=32A385987
• Primes having only {0, 2, 4, 7} as digits.at n=38A386047
• Primes having only {2, 4, 6, 7} as digits.at n=39A386155
• Primes having only {2, 4, 7, 8} as digits.at n=39A386157
• Upper (1/2,1/3) midsequence of (n^2) and (n^3); see Comments.at n=43A389583