Compare 66872 vs 66881
| Property | 66872 | 66881 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 5 | 2 |
| Prime factorization | 23 × 131 × 6431 | 471 × 14231 |
| Prime factorization | 2 × 2 × 2 × 13 × 643 | 47 × 1423 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 4, 8, 13, 26, 52, 104, 643, 1286, 2572, 5144, 8359, 16718, 33436, 66872 | 1, 47, 1423, 66881 |
| Number of properties | 0 | 1 |
| Semiprimes | 15973rd | |
| Roman numberals | ||
| Base 2 | 100000101001110002 | 100000101010000012 |
| Base 3 | 101012012023 | 101012020023 |
| Base 4 | 1001103204 | 1001110014 |
| Base 5 | 41144425 | 41200115 |
| Base 6 | 12333326 | 12333456 |
| Base 7 | 3656517 | 3656637 |
| Base 8 | 2024708 | 2025018 |
| Base 9 | 1116529 | 1116629 |
| Base 10 | 6687210 | 6688110 |
| Base 11 | 4627311 | 4628111 |
| Base 12 | 3284812 | 3285512 |
| Base 13 | 2459013 | 2459913 |
| Base 14 | 1a52814 | 1a53314 |
| Base 15 | 14c3215 | 14c3b15 |
| Base 16 | 1053816 | 1054116 |