Compare 1 vs 4
| Property | 1 | 4 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 0 | 1 |
| Total factors | 0 | 2 |
| Prime factorization | 22 | |
| Prime factorization | 2 × 2 | |
| Divisors count | 1 | 3 |
| Divisors | 1 | 1, 2, 4 |
| Number of properties | 0 | 1 |
| Semiprimes | 1st | |
| Roman numberals | I | IV |
| Base 2 | 12 | 1002 |
| Base 3 | 13 | 113 |
| Base 4 | 14 | 104 |
| Base 5 | 15 | 45 |
| Base 6 | 16 | 46 |
| Base 7 | 17 | 47 |
| Base 8 | 18 | 48 |
| Base 9 | 19 | 49 |
| Base 10 | 110 | 410 |
| Base 11 | 111 | 411 |
| Base 12 | 112 | 412 |
| Base 13 | 113 | 413 |
| Base 14 | 114 | 414 |
| Base 15 | 115 | 415 |
| Base 16 | 116 | 416 |