167073

Appears in sequences

• Becomes prime after exactly 10 iterations of f(x) = sum of prime factors of x.at n=0A047829
• Least number which becomes prime after exactly n iterations of f(x) = sum of prime factors of x.at n=10A047830
• Least number which becomes prime or 4 after exactly n iterations of f(x) = sum of prime factors of x.at n=12A048133
• Smallest k such that A002217(k)=n.at n=12A121360