Compare 4 vs 55
| Property | 4 | 55 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 22 | 51 × 111 |
| Prime factorization | 2 × 2 | 5 × 11 |
| Divisors count | 3 | 4 |
| Divisors | 1, 2, 4 | 1, 5, 11, 55 |
| Number of properties | 1 | 1 |
| Semiprimes | 1st | 19th |
| Roman numberals | IV | LV |
| Base 2 | 1002 | 1101112 |
| Base 3 | 113 | 20013 |
| Base 4 | 104 | 3134 |
| Base 5 | 45 | 2105 |
| Base 6 | 46 | 1316 |
| Base 7 | 47 | 1067 |
| Base 8 | 48 | 678 |
| Base 9 | 49 | 619 |
| Base 10 | 410 | 5510 |
| Base 11 | 411 | 5011 |
| Base 12 | 412 | 4712 |
| Base 13 | 413 | 4313 |
| Base 14 | 414 | 3d14 |
| Base 15 | 415 | 3a15 |
| Base 16 | 416 | 3716 |