Compare 1565 vs 1623
| Property | 1565 | 1623 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 3131 | 31 × 5411 |
| Prime factorization | 5 × 313 | 3 × 541 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 313, 1565 | 1, 3, 541, 1623 |
| Number of properties | 1 | 1 |
| Semiprimes | 455th | 466th |
| Roman numberals | MDLXV | MDCXXIII |
| Base 2 | 110000111012 | 110010101112 |
| Base 3 | 20102223 | 20200103 |
| Base 4 | 1201314 | 1211134 |
| Base 5 | 222305 | 224435 |
| Base 6 | 111256 | 113036 |
| Base 7 | 43647 | 45067 |
| Base 8 | 30358 | 31278 |
| Base 9 | 21289 | 22039 |
| Base 10 | 156510 | 162310 |
| Base 11 | 11a311 | 124611 |
| Base 12 | aa512 | b3312 |
| Base 13 | 93513 | 97b13 |
| Base 14 | 7db14 | 83d14 |
| Base 15 | 6e515 | 73315 |
| Base 16 | 61d16 | 65716 |