Compare 1520 vs 1530
| Property | 1520 | 1530 | 
|---|---|---|
| Type | composite number | composite number | 
| Unique factors | 3 | 4 | 
| Total factors | 6 | 5 | 
| Prime factorization | 24 × 51 × 191 | 21 × 32 × 51 × 171 | 
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 19 | 2 × 3 × 3 × 5 × 17 | 
| Divisors count | 20 | 24 | 
| Divisors | 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520 | 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530 | 
| Number of properties | 0 | 0 | 
| Roman numberals | MDXX | MDXXX | 
| Base 2 | 101111100002 | 101111110102 | 
| Base 3 | 20020223 | 20022003 | 
| Base 4 | 1133004 | 1133224 | 
| Base 5 | 220405 | 221105 | 
| Base 6 | 110126 | 110306 | 
| Base 7 | 43017 | 43147 | 
| Base 8 | 27608 | 27728 | 
| Base 9 | 20689 | 20809 | 
| Base 10 | 152010 | 153010 | 
| Base 11 | 116211 | 117111 | 
| Base 12 | a6812 | a7612 | 
| Base 13 | 8cc13 | 90913 | 
| Base 14 | 7a814 | 7b414 | 
| Base 15 | 6b515 | 6c015 | 
| Base 16 | 5f016 | 5fa16 |