42227

Properties

Appears in sequences

• Third term of weak prime sextet: p(m-1)-p(m-2) < p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2).at n=14A054830
• Largest of six consecutive primes the sum of the digits of each of which is prime.at n=28A106720
• Prime numbers containing the string 222.at n=13A166580
• Primes p for which p^i - 4 is prime for i = 1, 3 and 5.at n=13A243818
• Primes of the form k+(k+3)^2 where k is a nonnegative integer.at n=38A248697
• Number of nX3 0..1 arrays with every element equal to 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=10A300641
• Numbers that are the sum of seven fourth powers in exactly eight ways.at n=30A345830
• Primes having only {2, 4, 7} as digits.at n=21A385784
• Primes having only {0, 2, 4, 7} as digits.at n=41A386047
• Primes having only {2, 4, 6, 7} as digits.at n=42A386155
• Prime numbersat n=4416