Compare 21988 vs 21992
| Property | 21988 | 21992 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 4 | 4 |
| Prime factorization | 22 × 231 × 2391 | 23 × 27491 |
| Prime factorization | 2 × 2 × 23 × 239 | 2 × 2 × 2 × 2749 |
| Divisors count | 12 | 8 |
| Divisors | 1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994, 21988 | 1, 2, 4, 8, 2749, 5498, 10996, 21992 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 1010101111001002 | 1010101111010002 |
| Base 3 | 10100111013 | 10100111123 |
| Base 4 | 111132104 | 111132204 |
| Base 5 | 12004235 | 12004325 |
| Base 6 | 2454446 | 2454526 |
| Base 7 | 1210517 | 1210557 |
| Base 8 | 527448 | 527508 |
| Base 9 | 331419 | 331459 |
| Base 10 | 2198810 | 2199210 |
| Base 11 | 1557a11 | 1558311 |
| Base 12 | 1088412 | 1088812 |
| Base 13 | a01513 | a01913 |
| Base 14 | 802814 | 802c14 |
| Base 15 | 67ad15 | 67b215 |
| Base 16 | 55e416 | 55e816 |