83125

Appears in sequences

• Numbers k such that S(k)=d(k), where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005).at n=31A073307
• Numbers n such that number of divisors of n divides S(n), the Kempner function A002034.at n=42A073413
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1000-1111-0010 pattern in any orientation.at n=11A147114