Compare 553 vs 561
| Property | 553 | 561 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 71 × 791 | 31 × 111 × 171 |
| Prime factorization | 7 × 79 | 3 × 11 × 17 |
| Divisors count | 4 | 8 |
| Divisors | 1, 7, 79, 553 | 1, 3, 11, 17, 33, 51, 187, 561 |
| Number of properties | 1 | 0 |
| Semiprimes | 173rd | |
| Roman numberals | DLIII | DLXI |
| Base 2 | 10001010012 | 10001100012 |
| Base 3 | 2021113 | 2022103 |
| Base 4 | 202214 | 203014 |
| Base 5 | 42035 | 42215 |
| Base 6 | 23216 | 23336 |
| Base 7 | 14207 | 14317 |
| Base 8 | 10518 | 10618 |
| Base 9 | 6749 | 6839 |
| Base 10 | 55310 | 56110 |
| Base 11 | 46311 | 47011 |
| Base 12 | 3a112 | 3a912 |
| Base 13 | 33713 | 34213 |
| Base 14 | 2b714 | 2c114 |
| Base 15 | 26d15 | 27615 |
| Base 16 | 22916 | 23116 |