Compare 78 vs 90
| Property | 78 | 90 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 4 |
| Prime factorization | 21 × 31 × 131 | 21 × 32 × 51 |
| Prime factorization | 2 × 3 × 13 | 2 × 3 × 3 × 5 |
| Divisors count | 8 | 12 |
| Divisors | 1, 2, 3, 6, 13, 26, 39, 78 | 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 |
| Number of properties | 0 | 0 |
| Roman numberals | LXXVIII | XC |
| Base 2 | 10011102 | 10110102 |
| Base 3 | 22203 | 101003 |
| Base 4 | 10324 | 11224 |
| Base 5 | 3035 | 3305 |
| Base 6 | 2106 | 2306 |
| Base 7 | 1417 | 1567 |
| Base 8 | 1168 | 1328 |
| Base 9 | 869 | 1109 |
| Base 10 | 7810 | 9010 |
| Base 11 | 7111 | 8211 |
| Base 12 | 6612 | 7612 |
| Base 13 | 6013 | 6c13 |
| Base 14 | 5814 | 6614 |
| Base 15 | 5315 | 6015 |
| Base 16 | 4e16 | 5a16 |