Compare 645148 vs 645153
| Property | 645148 | 645153 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 71 × 230411 | 31 × 2150511 |
| Prime factorization | 2 × 2 × 7 × 23041 | 3 × 215051 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 7, 14, 28, 23041, 46082, 92164, 161287, 322574, 645148 | 1, 3, 215051, 645153 |
| Number of properties | 0 | 1 |
| Semiprimes | 138193rd | |
| Roman numberals | ||
| Base 2 | 100111011000000111002 | 100111011000001000012 |
| Base 3 | 10122022221013 | 10122022221203 |
| Base 4 | 21312001304 | 21312002014 |
| Base 5 | 1311210435 | 1311211035 |
| Base 6 | 214544446 | 214544536 |
| Base 7 | 53246207 | 53246257 |
| Base 8 | 23540348 | 23540418 |
| Base 9 | 11828719 | 11828769 |
| Base 10 | 64514810 | 64515310 |
| Base 11 | 40078911 | 40079311 |
| Base 12 | 27142412 | 27142912 |
| Base 13 | 19785a13 | 19786213 |
| Base 14 | 12b18014 | 12b18514 |
| Base 15 | cb24d15 | cb25315 |
| Base 16 | 9d81c16 | 9d82116 |