Compare 154 vs 155
| Property | 154 | 155 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 111 | 51 × 311 |
| Prime factorization | 2 × 7 × 11 | 5 × 31 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 11, 14, 22, 77, 154 | 1, 5, 31, 155 |
| Number of properties | 0 | 1 |
| Semiprimes | 51st | |
| Roman numberals | CLIV | CLV |
| Base 2 | 100110102 | 100110112 |
| Base 3 | 122013 | 122023 |
| Base 4 | 21224 | 21234 |
| Base 5 | 11045 | 11105 |
| Base 6 | 4146 | 4156 |
| Base 7 | 3107 | 3117 |
| Base 8 | 2328 | 2338 |
| Base 9 | 1819 | 1829 |
| Base 10 | 15410 | 15510 |
| Base 11 | 13011 | 13111 |
| Base 12 | 10a12 | 10b12 |
| Base 13 | bb13 | bc13 |
| Base 14 | b014 | b114 |
| Base 15 | a415 | a515 |
| Base 16 | 9a16 | 9b16 |