Compare 144 vs 145
| Property | 144 | 145 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 32 | 51 × 291 |
| Prime factorization | 2 × 2 × 2 × 2 × 3 × 3 | 5 × 29 |
| Divisors count | 15 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 | 1, 5, 29, 145 |
| Number of properties | 0 | 1 |
| Semiprimes | 49th | |
| Roman numberals | CXLIV | CXLV |
| Base 2 | 100100002 | 100100012 |
| Base 3 | 121003 | 121013 |
| Base 4 | 21004 | 21014 |
| Base 5 | 10345 | 10405 |
| Base 6 | 4006 | 4016 |
| Base 7 | 2647 | 2657 |
| Base 8 | 2208 | 2218 |
| Base 9 | 1709 | 1719 |
| Base 10 | 14410 | 14510 |
| Base 11 | 12111 | 12211 |
| Base 12 | 10012 | 10112 |
| Base 13 | b113 | b213 |
| Base 14 | a414 | a514 |
| Base 15 | 9915 | 9a15 |
| Base 16 | 9016 | 9116 |