Compare 123 vs 158
| Property | 123 | 158 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 411 | 21 × 791 |
| Prime factorization | 3 × 41 | 2 × 79 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 41, 123 | 1, 2, 79, 158 |
| Number of properties | 1 | 1 |
| Semiprimes | 42nd | 52nd |
| Roman numberals | CXXIII | CLVIII |
| Base 2 | 11110112 | 100111102 |
| Base 3 | 111203 | 122123 |
| Base 4 | 13234 | 21324 |
| Base 5 | 4435 | 11135 |
| Base 6 | 3236 | 4226 |
| Base 7 | 2347 | 3147 |
| Base 8 | 1738 | 2368 |
| Base 9 | 1469 | 1859 |
| Base 10 | 12310 | 15810 |
| Base 11 | 10211 | 13411 |
| Base 12 | a312 | 11212 |
| Base 13 | 9613 | c213 |
| Base 14 | 8b14 | b414 |
| Base 15 | 8315 | a815 |
| Base 16 | 7b16 | 9e16 |