Compare 154 vs 161
| Property | 154 | 161 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 111 | 71 × 231 |
| Prime factorization | 2 × 7 × 11 | 7 × 23 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 11, 14, 22, 77, 154 | 1, 7, 23, 161 |
| Number of properties | 0 | 1 |
| Semiprimes | 54th | |
| Roman numberals | CLIV | CLXI |
| Base 2 | 100110102 | 101000012 |
| Base 3 | 122013 | 122223 |
| Base 4 | 21224 | 22014 |
| Base 5 | 11045 | 11215 |
| Base 6 | 4146 | 4256 |
| Base 7 | 3107 | 3207 |
| Base 8 | 2328 | 2418 |
| Base 9 | 1819 | 1889 |
| Base 10 | 15410 | 16110 |
| Base 11 | 13011 | 13711 |
| Base 12 | 10a12 | 11512 |
| Base 13 | bb13 | c513 |
| Base 14 | b014 | b714 |
| Base 15 | a415 | ab15 |
| Base 16 | 9a16 | a116 |