Compare 1560 vs 1565
| Property | 1560 | 1565 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 4 | 2 | 
| Total factors | 6 | 2 | 
| Prime factorization | 23 × 31 × 51 × 131 | 51 × 3131 | 
| Prime factorization | 2 × 2 × 2 × 3 × 5 × 13 | 5 × 313 | 
| Divisors count | 32 | 4 | 
| Divisors | 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560 | 1, 5, 313, 1565 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 455th | |
| Roman numberals | MDLX | MDLXV | 
| Base 2 | 110000110002 | 110000111012 | 
| Base 3 | 20102103 | 20102223 | 
| Base 4 | 1201204 | 1201314 | 
| Base 5 | 222205 | 222305 | 
| Base 6 | 111206 | 111256 | 
| Base 7 | 43567 | 43647 | 
| Base 8 | 30308 | 30358 | 
| Base 9 | 21239 | 21289 | 
| Base 10 | 156010 | 156510 | 
| Base 11 | 119911 | 11a311 | 
| Base 12 | aa012 | aa512 | 
| Base 13 | 93013 | 93513 | 
| Base 14 | 7d614 | 7db14 | 
| Base 15 | 6e015 | 6e515 | 
| Base 16 | 61816 | 61d16 |