Compare 1290 vs 1299
| Property | 1290 | 1299 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 51 × 431 | 31 × 4331 |
| Prime factorization | 2 × 3 × 5 × 43 | 3 × 433 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290 | 1, 3, 433, 1299 |
| Number of properties | 0 | 1 |
| Semiprimes | 382nd | |
| Roman numberals | MCCXC | MCCXCIX |
| Base 2 | 101000010102 | 101000100112 |
| Base 3 | 12022103 | 12100103 |
| Base 4 | 1100224 | 1101034 |
| Base 5 | 201305 | 201445 |
| Base 6 | 55506 | 100036 |
| Base 7 | 35227 | 35347 |
| Base 8 | 24128 | 24238 |
| Base 9 | 16839 | 17039 |
| Base 10 | 129010 | 129910 |
| Base 11 | a7311 | a8111 |
| Base 12 | 8b612 | 90312 |
| Base 13 | 78313 | 78c13 |
| Base 14 | 68214 | 68b14 |
| Base 15 | 5b015 | 5b915 |
| Base 16 | 50a16 | 51316 |