Compare 153 vs 161
| Property | 153 | 161 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 171 | 71 × 231 |
| Prime factorization | 3 × 3 × 17 | 7 × 23 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 17, 51, 153 | 1, 7, 23, 161 |
| Number of properties | 0 | 1 |
| Semiprimes | 54th | |
| Roman numberals | CLIII | CLXI |
| Base 2 | 100110012 | 101000012 |
| Base 3 | 122003 | 122223 |
| Base 4 | 21214 | 22014 |
| Base 5 | 11035 | 11215 |
| Base 6 | 4136 | 4256 |
| Base 7 | 3067 | 3207 |
| Base 8 | 2318 | 2418 |
| Base 9 | 1809 | 1889 |
| Base 10 | 15310 | 16110 |
| Base 11 | 12a11 | 13711 |
| Base 12 | 10912 | 11512 |
| Base 13 | ba13 | c513 |
| Base 14 | ad14 | b714 |
| Base 15 | a315 | ab15 |
| Base 16 | 9916 | a116 |