Compare 219986 vs 219991
| Property | 219986 | 219991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 131 × 84611 | 1791 × 12291 |
| Prime factorization | 2 × 13 × 8461 | 179 × 1229 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 13, 26, 8461, 16922, 109993, 219986 | 1, 179, 1229, 219991 |
| Number of properties | 0 | 1 |
| Semiprimes | 49520th | |
| Roman numberals | ||
| Base 2 | 1101011011010100102 | 1101011011010101112 |
| Base 3 | 1020112021223 | 1020112022113 |
| Base 4 | 3112311024 | 3112311134 |
| Base 5 | 240144215 | 240144315 |
| Base 6 | 44142426 | 44142516 |
| Base 7 | 16042347 | 16042427 |
| Base 8 | 6555228 | 6555278 |
| Base 9 | 3646789 | 3646849 |
| Base 10 | 21998610 | 21999110 |
| Base 11 | 14030811 | 14031211 |
| Base 12 | a738212 | a738712 |
| Base 13 | 7919013 | 7919513 |
| Base 14 | 5a25414 | 5a25914 |
| Base 15 | 452ab15 | 452b115 |
| Base 16 | 35b5216 | 35b5716 |