Compare 28138 vs 28139
| Property | 28138 | 28139 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 111 × 12791 | 191 × 14811 |
| Prime factorization | 2 × 11 × 1279 | 19 × 1481 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 11, 22, 1279, 2558, 14069, 28138 | 1, 19, 1481, 28139 |
| Number of properties | 0 | 1 |
| Semiprimes | 7015th | |
| Roman numberals | ||
| Base 2 | 1101101111010102 | 1101101111010112 |
| Base 3 | 11021210113 | 11021210123 |
| Base 4 | 123132224 | 123132234 |
| Base 5 | 14000235 | 14000245 |
| Base 6 | 3341346 | 3341356 |
| Base 7 | 1450157 | 1450167 |
| Base 8 | 667528 | 667538 |
| Base 9 | 425349 | 425359 |
| Base 10 | 2813810 | 2813910 |
| Base 11 | 1a16011 | 1a16111 |
| Base 12 | 1434a12 | 1434b12 |
| Base 13 | ca6613 | ca6713 |
| Base 14 | a37c14 | a37d14 |
| Base 15 | 850d15 | 850e15 |
| Base 16 | 6dea16 | 6deb16 |