87869

Properties

Appears in sequences

• Fourth term of strong prime sextets: p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1).at n=28A054816
• Primes with digit sum = 38.at n=29A106772
• Records in A034694.at n=29A120856
• Records in A066674.at n=24A125879
• Number of (n+2)X3 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order.at n=2A204506
• Number of (n+2)X5 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order.at n=0A204508
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order.at n=3A204511
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..2 introduced in row major order.at n=5A204511
• Record values in A061026, the smallest number m such that n divides phi(m), where phi is Euler's totient function.at n=26A233517
• The primes associated with A239800 (1 if A239800(n) = 0).at n=21A342365
• Prime numbersat n=8531