33477

Appears in sequences

• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=11A047827
• Number of compositions of n such that the least part occurs with odd multiplicity.at n=16A105200
• Numbers k such that there are 10 digits in k^2 and for each factor f of 10 (1, 2, 5) the sum of digit groupings of size f is a square.at n=6A153748