199996

Appears in sequences

• Numbers n such that phi(n) is a proper substring of n.at n=14A066663
• Numbers n such that the digits of n end in phi(n).at n=15A067206
• a(n) = k where R(k+4) = 2.at n=4A086940
• Composite numbers n such that n - phi(n) is a power of 10.at n=10A248857
• Expansion of Product_{i>=1, j>=1, k>=1} (1 - x^(i*j*k))/(1 + x^(i*j*k)).at n=46A321241