Compare 21 vs 32
| Property | 21 | 32 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 1 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 71 | 25 |
| Prime factorization | 3 × 7 | 2 × 2 × 2 × 2 × 2 |
| Divisors count | 4 | 6 |
| Divisors | 1, 3, 7, 21 | 1, 2, 4, 8, 16, 32 |
| Number of properties | 1 | 0 |
| Semiprimes | 7th | |
| Roman numberals | XXI | XXXII |
| Base 2 | 101012 | 1000002 |
| Base 3 | 2103 | 10123 |
| Base 4 | 1114 | 2004 |
| Base 5 | 415 | 1125 |
| Base 6 | 336 | 526 |
| Base 7 | 307 | 447 |
| Base 8 | 258 | 408 |
| Base 9 | 239 | 359 |
| Base 10 | 2110 | 3210 |
| Base 11 | 1a11 | 2a11 |
| Base 12 | 1912 | 2812 |
| Base 13 | 1813 | 2613 |
| Base 14 | 1714 | 2414 |
| Base 15 | 1615 | 2215 |
| Base 16 | 1516 | 2016 |