Compare 210009 vs 210021
| Property | 210009 | 210021 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 700031 | 31 × 71 × 731 × 1371 |
| Prime factorization | 3 × 70003 | 3 × 7 × 73 × 137 |
| Divisors count | 4 | 16 |
| Divisors | 1, 3, 70003, 210009 | 1, 3, 7, 21, 73, 137, 219, 411, 511, 959, 1533, 2877, 10001, 30003, 70007, 210021 |
| Number of properties | 1 | 0 |
| Semiprimes | 47363rd | |
| Roman numberals | ||
| Base 2 | 1100110100010110012 | 1100110100011001012 |
| Base 3 | 1012000020103 | 1012000021203 |
| Base 4 | 3031011214 | 3031012114 |
| Base 5 | 232100145 | 232100415 |
| Base 6 | 43001336 | 43001536 |
| Base 7 | 15331627 | 15332107 |
| Base 8 | 6321318 | 6321458 |
| Base 9 | 3500639 | 3500769 |
| Base 10 | 21000910 | 21002110 |
| Base 11 | 13386811 | 13387911 |
| Base 12 | a164912 | a165912 |
| Base 13 | 7478713 | 7479613 |
| Base 14 | 5676914 | 5677714 |
| Base 15 | 4235915 | 4236615 |
| Base 16 | 3345916 | 3346516 |