Compare 21153 vs 21155
| Property | 21153 | 21155 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 31 × 111 × 6411 | 51 × 42311 |
| Prime factorization | 3 × 11 × 641 | 5 × 4231 |
| Divisors count | 8 | 4 |
| Divisors | 1, 3, 11, 33, 641, 1923, 7051, 21153 | 1, 5, 4231, 21155 |
| Number of properties | 0 | 1 |
| Semiprimes | 5363rd | |
| Roman numberals | ||
| Base 2 | 1010010101000012 | 1010010101000112 |
| Base 3 | 10020001103 | 10020001123 |
| Base 4 | 110222014 | 110222034 |
| Base 5 | 11341035 | 11341105 |
| Base 6 | 2415336 | 2415356 |
| Base 7 | 1154467 | 1154517 |
| Base 8 | 512418 | 512438 |
| Base 9 | 320139 | 320159 |
| Base 10 | 2115310 | 2115510 |
| Base 11 | 1499011 | 1499211 |
| Base 12 | 102a912 | 102ab12 |
| Base 13 | 982213 | 982413 |
| Base 14 | 79cd14 | 79d114 |
| Base 15 | 640315 | 640515 |
| Base 16 | 52a116 | 52a316 |