Compare 155 vs 164
| Property | 155 | 164 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 311 | 22 × 411 |
| Prime factorization | 5 × 31 | 2 × 2 × 41 |
| Divisors count | 4 | 6 |
| Divisors | 1, 5, 31, 155 | 1, 2, 4, 41, 82, 164 |
| Number of properties | 1 | 0 |
| Semiprimes | 51st | |
| Roman numberals | CLV | CLXIV |
| Base 2 | 100110112 | 101001002 |
| Base 3 | 122023 | 200023 |
| Base 4 | 21234 | 22104 |
| Base 5 | 11105 | 11245 |
| Base 6 | 4156 | 4326 |
| Base 7 | 3117 | 3237 |
| Base 8 | 2338 | 2448 |
| Base 9 | 1829 | 2029 |
| Base 10 | 15510 | 16410 |
| Base 11 | 13111 | 13a11 |
| Base 12 | 10b12 | 11812 |
| Base 13 | bc13 | c813 |
| Base 14 | b114 | ba14 |
| Base 15 | a515 | ae15 |
| Base 16 | 9b16 | a416 |