Compare 280129 vs 280138
| Property | 280129 | 280138 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2801291 | 21 × 1400691 |
| Prime factorization | 280129 | 2 × 140069 |
| Divisors count | 2 | 4 |
| Divisors | 1, 280129 | 1, 2, 140069, 280138 |
| Number of properties | 4 | 1 |
| Chen primes | 10061st | |
| Harmonic primes | 9125th | |
| Isolated primes | 18773rd | |
| Primes | 24444th | |
| Semiprimes | 62365th | |
| Roman numberals | ||
| Base 2 | 10001000110010000012 | 10001000110010010102 |
| Base 3 | 1120200210113 | 1120200211113 |
| Base 4 | 10101210014 | 10101210224 |
| Base 5 | 324310045 | 324310235 |
| Base 6 | 100005216 | 100005346 |
| Base 7 | 22444637 | 22445057 |
| Base 8 | 10431018 | 10431128 |
| Base 9 | 4662349 | 4662449 |
| Base 10 | 28012910 | 28013810 |
| Base 11 | 18151311 | 18152111 |
| Base 12 | 11614112 | 11614a12 |
| Base 13 | 9a67513 | 9a68113 |
| Base 14 | 7413314 | 7413c14 |
| Base 15 | 5800415 | 5800d15 |
| Base 16 | 4464116 | 4464a16 |