Compare 128109 vs 128121
| Property | 128109 | 128121 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 427031 | 31 × 71 × 61011 |
| Prime factorization | 3 × 42703 | 3 × 7 × 6101 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 42703, 128109 | 1, 3, 7, 21, 6101, 18303, 42707, 128121 |
| Number of properties | 1 | 0 |
| Semiprimes | 29625th | |
| Roman numberals | ||
| Base 2 | 111110100011011012 | 111110100011110012 |
| Base 3 | 201112012103 | 201112020203 |
| Base 4 | 1331012314 | 1331013214 |
| Base 5 | 130444145 | 130444415 |
| Base 6 | 24250336 | 24250536 |
| Base 7 | 10423327 | 10423507 |
| Base 8 | 3721558 | 3721718 |
| Base 9 | 2146539 | 2146669 |
| Base 10 | 12810910 | 12812110 |
| Base 11 | 8828311 | 8829411 |
| Base 12 | 6217912 | 6218912 |
| Base 13 | 4640713 | 4641613 |
| Base 14 | 3498914 | 3499714 |
| Base 15 | 27e5915 | 27e6615 |
| Base 16 | 1f46d16 | 1f47916 |