Compare 40387 vs 40389
| Property | 40387 | 40389 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 403871 | 31 × 134631 |
| Prime factorization | 40387 | 3 × 13463 |
| Divisors count | 2 | 4 |
| Divisors | 1, 40387 | 1, 3, 13463, 40389 |
| Number of properties | 4 | 1 |
| Chen primes | 1990th | |
| Harmonic primes | 1579th | |
| Isolated primes | 3049th | |
| Primes | 4236th | |
| Semiprimes | 9884th | |
| Roman numberals | ||
| Base 2 | 10011101110000112 | 10011101110001012 |
| Base 3 | 20011012113 | 20011012203 |
| Base 4 | 213130034 | 213130114 |
| Base 5 | 22430225 | 22430245 |
| Base 6 | 5105516 | 5105536 |
| Base 7 | 2255147 | 2255167 |
| Base 8 | 1167038 | 1167058 |
| Base 9 | 613549 | 613569 |
| Base 10 | 4038710 | 4038910 |
| Base 11 | 2838611 | 2838811 |
| Base 12 | 1b45712 | 1b45912 |
| Base 13 | 154c913 | 154cb13 |
| Base 14 | 10a0b14 | 10a0d14 |
| Base 15 | be7715 | be7915 |
| Base 16 | 9dc316 | 9dc516 |