90911

Properties

Appears in sequences

• Convolution of Lucas numbers and A000201.at n=18A023621
• Primes of the form k^2 + k + 9.at n=31A027758
• Second term of weak prime sextet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3).at n=32A054829
• Numbers k such that k*(k+3) gives the concatenation of two numbers m and m+4.at n=7A116316
• Primes having only {0, 1, 9} as digits.at n=38A199329
• Integers n of the form 8k+7 that are sum of distinct squares of the form m, m+1, m+2, m+4, where m == 1 (mod 4).at n=37A243578
• Numbers with easy multiplication table - the first 9 multiples of these numbers can be derived by either incrementing or decrementing the corresponding digits from the previous multiple.at n=42A359925
• Prime numbersat n=8795