Compare 88 vs 91
| Property | 88 | 91 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 23 × 111 | 71 × 131 |
| Prime factorization | 2 × 2 × 2 × 11 | 7 × 13 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 4, 8, 11, 22, 44, 88 | 1, 7, 13, 91 |
| Number of properties | 0 | 1 |
| Semiprimes | 31st | |
| Roman numberals | LXXXVIII | XCI |
| Base 2 | 10110002 | 10110112 |
| Base 3 | 100213 | 101013 |
| Base 4 | 11204 | 11234 |
| Base 5 | 3235 | 3315 |
| Base 6 | 2246 | 2316 |
| Base 7 | 1547 | 1607 |
| Base 8 | 1308 | 1338 |
| Base 9 | 1079 | 1119 |
| Base 10 | 8810 | 9110 |
| Base 11 | 8011 | 8311 |
| Base 12 | 7412 | 7712 |
| Base 13 | 6a13 | 7013 |
| Base 14 | 6414 | 6714 |
| Base 15 | 5d15 | 6115 |
| Base 16 | 5816 | 5b16 |