Compare 138639 vs 138647
| Property | 138639 | 138647 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 371 × 12491 | 1386471 |
| Prime factorization | 3 × 37 × 1249 | 138647 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 37, 111, 1249, 3747, 46213, 138639 | 1, 138647 |
| Number of properties | 0 | 6 |
| Additive primes | 5322nd | |
| Harmonic primes | 4844th | |
| Isolated primes | 9704th | |
| Long primes | 4823rd | |
| Primes | 12901st | |
| Sexy primes (2nd member) | 3182nd | |
| Roman numberals | ||
| Base 2 | 1000011101100011112 | 1000011101100101112 |
| Base 3 | 210010112103 | 210010120023 |
| Base 4 | 2013120334 | 2013121134 |
| Base 5 | 134140245 | 134140425 |
| Base 6 | 25455036 | 25455156 |
| Base 7 | 11151247 | 11151357 |
| Base 8 | 4166178 | 4166278 |
| Base 9 | 2311539 | 2311629 |
| Base 10 | 13863910 | 13864710 |
| Base 11 | 9518611 | 9519311 |
| Base 12 | 6829312 | 6829b12 |
| Base 13 | 4b14713 | 4b15213 |
| Base 14 | 3874b14 | 3875514 |
| Base 15 | 2b12915 | 2b13215 |
| Base 16 | 21d8f16 | 21d9716 |