Compare 1338 vs 1345
| Property | 1338 | 1345 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 31 × 2231 | 51 × 2691 |
| Prime factorization | 2 × 3 × 223 | 5 × 269 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 3, 6, 223, 446, 669, 1338 | 1, 5, 269, 1345 |
| Number of properties | 0 | 1 |
| Semiprimes | 394th | |
| Roman numberals | MCCCXXXVIII | MCCCXLV |
| Base 2 | 101001110102 | 101010000012 |
| Base 3 | 12111203 | 12112113 |
| Base 4 | 1103224 | 1110014 |
| Base 5 | 203235 | 203405 |
| Base 6 | 101106 | 101216 |
| Base 7 | 36217 | 36317 |
| Base 8 | 24728 | 25018 |
| Base 9 | 17469 | 17549 |
| Base 10 | 133810 | 134510 |
| Base 11 | 100711 | 101311 |
| Base 12 | 93612 | 94112 |
| Base 13 | 7bc13 | 7c613 |
| Base 14 | 6b814 | 6c114 |
| Base 15 | 5e315 | 5ea15 |
| Base 16 | 53a16 | 54116 |