Compare 128642 vs 128647
| Property | 128642 | 128647 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 1311 × 4911 | 1031 × 12491 |
| Prime factorization | 2 × 131 × 491 | 103 × 1249 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 131, 262, 491, 982, 64321, 128642 | 1, 103, 1249, 128647 |
| Number of properties | 0 | 1 |
| Semiprimes | 29737th | |
| Roman numberals | ||
| Base 2 | 111110110100000102 | 111110110100001112 |
| Base 3 | 201121101123 | 201121102013 |
| Base 4 | 1331220024 | 1331220134 |
| Base 5 | 131040325 | 131040425 |
| Base 6 | 24313226 | 24313316 |
| Base 7 | 10440237 | 10440317 |
| Base 8 | 3732028 | 3732078 |
| Base 9 | 2154159 | 2154219 |
| Base 10 | 12864210 | 12864710 |
| Base 11 | 8871811 | 8872211 |
| Base 12 | 6254212 | 6254712 |
| Base 13 | 4672713 | 4672c13 |
| Base 14 | 34c4a14 | 34c5114 |
| Base 15 | 281b215 | 281b715 |
| Base 16 | 1f68216 | 1f68716 |