Compare 28631 vs 28642
| Property | 28631 | 28642 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 286311 | 21 × 143211 |
| Prime factorization | 28631 | 2 × 14321 |
| Divisors count | 2 | 4 |
| Divisors | 1, 28631 | 1, 2, 14321, 28642 |
| Number of properties | 4 | 1 |
| Cousin primes (2nd member) | 454th | |
| Harmonic primes | 1164th | |
| Isolated primes | 2207th | |
| Primes | 3118th | |
| Semiprimes | 7130th | |
| Roman numberals | ||
| Base 2 | 1101111110101112 | 1101111111000102 |
| Base 3 | 11100211023 | 11100212113 |
| Base 4 | 123331134 | 123332024 |
| Base 5 | 14040115 | 14040325 |
| Base 6 | 3403156 | 3403346 |
| Base 7 | 1463217 | 1463357 |
| Base 8 | 677278 | 677428 |
| Base 9 | 432429 | 432549 |
| Base 10 | 2863110 | 2864210 |
| Base 11 | 1a56911 | 1a57911 |
| Base 12 | 1469b12 | 146aa12 |
| Base 13 | 1005513 | 1006313 |
| Base 14 | a61114 | a61c14 |
| Base 15 | 873b15 | 874715 |
| Base 16 | 6fd716 | 6fe216 |