Compare 145 vs 154
| Property | 145 | 154 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 51 × 291 | 21 × 71 × 111 |
| Prime factorization | 5 × 29 | 2 × 7 × 11 |
| Divisors count | 4 | 8 |
| Divisors | 1, 5, 29, 145 | 1, 2, 7, 11, 14, 22, 77, 154 |
| Number of properties | 1 | 0 |
| Semiprimes | 49th | |
| Roman numberals | CXLV | CLIV |
| Base 2 | 100100012 | 100110102 |
| Base 3 | 121013 | 122013 |
| Base 4 | 21014 | 21224 |
| Base 5 | 10405 | 11045 |
| Base 6 | 4016 | 4146 |
| Base 7 | 2657 | 3107 |
| Base 8 | 2218 | 2328 |
| Base 9 | 1719 | 1819 |
| Base 10 | 14510 | 15410 |
| Base 11 | 12211 | 13011 |
| Base 12 | 10112 | 10a12 |
| Base 13 | b213 | bb13 |
| Base 14 | a514 | b014 |
| Base 15 | 9a15 | a415 |
| Base 16 | 9116 | 9a16 |