Compare 21999 vs 22009
| Property | 21999 | 22009 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 73331 | 131 × 16931 |
| Prime factorization | 3 × 7333 | 13 × 1693 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 7333, 21999 | 1, 13, 1693, 22009 |
| Number of properties | 1 | 1 |
| Semiprimes | 5554th | 5557th |
| Roman numberals | ||
| Base 2 | 1010101111011112 | 1010101111110012 |
| Base 3 | 10100112103 | 10100120113 |
| Base 4 | 111132334 | 111133214 |
| Base 5 | 12004445 | 12010145 |
| Base 6 | 2455036 | 2455216 |
| Base 7 | 1210657 | 1211117 |
| Base 8 | 527578 | 527718 |
| Base 9 | 331539 | 331649 |
| Base 10 | 2199910 | 2200910 |
| Base 11 | 1558a11 | 1559911 |
| Base 12 | 1089312 | 108a112 |
| Base 13 | a02313 | a03013 |
| Base 14 | 803514 | 804114 |
| Base 15 | 67b915 | 67c415 |
| Base 16 | 55ef16 | 55f916 |