Compare 154 vs 166
| Property | 154 | 166 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 71 × 111 | 21 × 831 |
| Prime factorization | 2 × 7 × 11 | 2 × 83 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 7, 11, 14, 22, 77, 154 | 1, 2, 83, 166 |
| Number of properties | 0 | 1 |
| Semiprimes | 55th | |
| Roman numberals | CLIV | CLXVI |
| Base 2 | 100110102 | 101001102 |
| Base 3 | 122013 | 200113 |
| Base 4 | 21224 | 22124 |
| Base 5 | 11045 | 11315 |
| Base 6 | 4146 | 4346 |
| Base 7 | 3107 | 3257 |
| Base 8 | 2328 | 2468 |
| Base 9 | 1819 | 2049 |
| Base 10 | 15410 | 16610 |
| Base 11 | 13011 | 14111 |
| Base 12 | 10a12 | 11a12 |
| Base 13 | bb13 | ca13 |
| Base 14 | b014 | bc14 |
| Base 15 | a415 | b115 |
| Base 16 | 9a16 | a616 |