28875

Appears in sequences

• Successive integers produced by Conway's PRIMEGAME.at n=24A007542
• Expansion of 1/((1-x)*(1-5*x)*(1-11*x)).at n=4A016238
• Odd infinitary abundant numbers.at n=17A127666
• Numbers with exactly 4 distinct odd prime divisors {3,5,7,11}.at n=8A147577
• Successive integers produced by Conway's PRIMEGAME, starting with 3 rather than 2.at n=36A185242
• Numbers whose squares became cubes if some digit is prepended, inserted or appended.at n=25A248127
• Successive integers produced by Conway's PRIMEGAME, starting with 6 rather than 2.at n=25A273091
• Numbers n such that phi(n) = phi(n+11), with Euler's totient function phi = A000010.at n=26A276504
• Odd bi-unitary abundant numbers: odd numbers k such that bsigma(k) > 2*k, where bsigma is the sum of the bi-unitary divisors function (A188999).at n=19A293186
• Odd nonexponential abundant numbers: odd numbers k such that A160135(k) > k.at n=13A348605
• Odd m in A352928.at n=29A351499
• Number of ways to place a non-attacking black king and white king on an n X n board, up to rotation and reflection.at n=22A357723
• Numbers whose sum of prime divisors equals the sum of square divisors.at n=21A390397