Compare 1520 vs 1529
| Property | 1520 | 1529 | 
|---|---|---|
| Type | composite number | semiprime | 
| Unique factors | 3 | 2 | 
| Total factors | 6 | 2 | 
| Prime factorization | 24 × 51 × 191 | 111 × 1391 | 
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 19 | 11 × 139 | 
| Divisors count | 20 | 4 | 
| Divisors | 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520 | 1, 11, 139, 1529 | 
| Number of properties | 0 | 1 | 
| Semiprimes | 446th | |
| Roman numberals | MDXX | MDXXIX | 
| Base 2 | 101111100002 | 101111110012 | 
| Base 3 | 20020223 | 20021223 | 
| Base 4 | 1133004 | 1133214 | 
| Base 5 | 220405 | 221045 | 
| Base 6 | 110126 | 110256 | 
| Base 7 | 43017 | 43137 | 
| Base 8 | 27608 | 27718 | 
| Base 9 | 20689 | 20789 | 
| Base 10 | 152010 | 152910 | 
| Base 11 | 116211 | 117011 | 
| Base 12 | a6812 | a7512 | 
| Base 13 | 8cc13 | 90813 | 
| Base 14 | 7a814 | 7b314 | 
| Base 15 | 6b515 | 6be15 | 
| Base 16 | 5f016 | 5f916 |