Compare 21155 vs 21207
| Property | 21155 | 21207 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 42311 | 31 × 70691 |
| Prime factorization | 5 × 4231 | 3 × 7069 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 4231, 21155 | 1, 3, 7069, 21207 |
| Number of properties | 1 | 1 |
| Semiprimes | 5363rd | 5373rd |
| Roman numberals | ||
| Base 2 | 1010010101000112 | 1010010110101112 |
| Base 3 | 10020001123 | 10020021103 |
| Base 4 | 110222034 | 110231134 |
| Base 5 | 11341105 | 11343125 |
| Base 6 | 2415356 | 2421036 |
| Base 7 | 1154517 | 1155547 |
| Base 8 | 512438 | 513278 |
| Base 9 | 320159 | 320739 |
| Base 10 | 2115510 | 2120710 |
| Base 11 | 1499211 | 14a2a11 |
| Base 12 | 102ab12 | 1033312 |
| Base 13 | 982413 | 986413 |
| Base 14 | 79d114 | 7a2b14 |
| Base 15 | 640515 | 643c15 |
| Base 16 | 52a316 | 52d716 |