2238728
domain: N
Appears in sequences
- Treated as strings, the concatenation c of the prime factors of n, in increasing order, is an initial segment of n. Equivalently, n begins with c.at n=19A069154
- Numbers k such that k^3 is the sum of two nonzero 4th powers.at n=28A291849
- The smaller of a pair of successive cubefull numbers without a powerful number between them.at n=35A371189