Compare 210989 vs 210990
| Property | 210989 | 210990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 5 |
| Total factors | 2 | 5 |
| Prime factorization | 1011 × 20891 | 21 × 31 × 51 × 131 × 5411 |
| Prime factorization | 101 × 2089 | 2 × 3 × 5 × 13 × 541 |
| Divisors count | 4 | 32 |
| Divisors | 1, 101, 2089, 210989 | 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 541, 1082, 1623, 2705, 3246, 5410, 7033, 8115, 14066, 16230, 21099, 35165, 42198, 70330, 105495, 210990 |
| Number of properties | 1 | 0 |
| Semiprimes | 47573rd | |
| Roman numberals | ||
| Base 2 | 1100111000001011012 | 1100111000001011102 |
| Base 3 | 1012011021023 | 1012011021103 |
| Base 4 | 3032002314 | 3032002324 |
| Base 5 | 232224245 | 232224305 |
| Base 6 | 43044456 | 43044506 |
| Base 7 | 15360627 | 15360637 |
| Base 8 | 6340558 | 6340568 |
| Base 9 | 3513729 | 3513739 |
| Base 10 | 21098910 | 21099010 |
| Base 11 | 13457911 | 13457a11 |
| Base 12 | a212512 | a212612 |
| Base 13 | 7505c13 | 7506013 |
| Base 14 | 56c6914 | 56c6a14 |
| Base 15 | 427ae15 | 427b015 |
| Base 16 | 3382d16 | 3382e16 |