406700

Appears in sequences

• Numbers k such that k = x + y, k' = x' + y' and k'' = x'' + y'', where k' and k'' are the first and second arithmetic derivatives of k.at n=34A293252
• Exponential weird numbers: numbers that are exponential abundant (A129575) but not exponential pseudoperfect (A318100).at n=25A321146
• Coreful weird numbers: numbers k that are coreful abundant (A308053) but no subset of their aliquot coreful divisors sums to k.at n=26A339939