Compare 39887 vs 39890
| Property | 39887 | 39890 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 398871 | 21 × 51 × 39891 |
| Prime factorization | 39887 | 2 × 5 × 3989 |
| Divisors count | 2 | 8 |
| Divisors | 1, 39887 | 1, 2, 5, 10, 3989, 7978, 19945, 39890 |
| Number of properties | 7 | 0 |
| Chen primes | 1971st | |
| Cousin primes (2nd member) | 580th | |
| Emirps | 975th | |
| Harmonic primes | 1562nd | |
| Isolated primes | 3014th | |
| Long primes | 1583rd | |
| Primes | 4195th | |
| Roman numberals | ||
| Base 2 | 10011011110011112 | 10011011110100102 |
| Base 3 | 20002010223 | 20002011023 |
| Base 4 | 212330334 | 212331024 |
| Base 5 | 22340225 | 22340305 |
| Base 6 | 5043556 | 5044026 |
| Base 7 | 2242017 | 2242047 |
| Base 8 | 1157178 | 1157228 |
| Base 9 | 606389 | 606429 |
| Base 10 | 3988710 | 3989010 |
| Base 11 | 27a7111 | 27a7411 |
| Base 12 | 1b0bb12 | 1b10212 |
| Base 13 | 1520313 | 1520613 |
| Base 14 | 1077114 | 1077414 |
| Base 15 | bc4215 | bc4515 |
| Base 16 | 9bcf16 | 9bd216 |