Compare 90 vs 100
| Property | 90 | 100 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 4 |
| Prime factorization | 21 × 32 × 51 | 22 × 52 |
| Prime factorization | 2 × 3 × 3 × 5 | 2 × 2 × 5 × 5 |
| Divisors count | 12 | 9 |
| Divisors | 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 | 1, 2, 4, 5, 10, 20, 25, 50, 100 |
| Number of properties | 0 | 0 |
| Roman numberals | XC | C |
| Base 2 | 10110102 | 11001002 |
| Base 3 | 101003 | 102013 |
| Base 4 | 11224 | 12104 |
| Base 5 | 3305 | 4005 |
| Base 6 | 2306 | 2446 |
| Base 7 | 1567 | 2027 |
| Base 8 | 1328 | 1448 |
| Base 9 | 1109 | 1219 |
| Base 10 | 9010 | 10010 |
| Base 11 | 8211 | 9111 |
| Base 12 | 7612 | 8412 |
| Base 13 | 6c13 | 7913 |
| Base 14 | 6614 | 7214 |
| Base 15 | 6015 | 6a15 |
| Base 16 | 5a16 | 6416 |