Compare 408 vs 415
| Property | 408 | 415 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 31 × 171 | 51 × 831 |
| Prime factorization | 2 × 2 × 2 × 3 × 17 | 5 × 83 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408 | 1, 5, 83, 415 |
| Number of properties | 0 | 1 |
| Semiprimes | 131st | |
| Roman numberals | CDVIII | CDXV |
| Base 2 | 1100110002 | 1100111112 |
| Base 3 | 1200103 | 1201013 |
| Base 4 | 121204 | 121334 |
| Base 5 | 31135 | 31305 |
| Base 6 | 15206 | 15316 |
| Base 7 | 11227 | 11327 |
| Base 8 | 6308 | 6378 |
| Base 9 | 5039 | 5119 |
| Base 10 | 40810 | 41510 |
| Base 11 | 34111 | 34811 |
| Base 12 | 2a012 | 2a712 |
| Base 13 | 25513 | 25c13 |
| Base 14 | 21214 | 21914 |
| Base 15 | 1c315 | 1ca15 |
| Base 16 | 19816 | 19f16 |