Compare 121 vs 130
| Property | 121 | 130 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 112 | 21 × 51 × 131 |
| Prime factorization | 11 × 11 | 2 × 5 × 13 |
| Divisors count | 3 | 8 |
| Divisors | 1, 11, 121 | 1, 2, 5, 10, 13, 26, 65, 130 |
| Number of properties | 1 | 0 |
| Semiprimes | 40th | |
| Roman numberals | CXXI | CXXX |
| Base 2 | 11110012 | 100000102 |
| Base 3 | 111113 | 112113 |
| Base 4 | 13214 | 20024 |
| Base 5 | 4415 | 10105 |
| Base 6 | 3216 | 3346 |
| Base 7 | 2327 | 2447 |
| Base 8 | 1718 | 2028 |
| Base 9 | 1449 | 1549 |
| Base 10 | 12110 | 13010 |
| Base 11 | 10011 | 10911 |
| Base 12 | a112 | aa12 |
| Base 13 | 9413 | a013 |
| Base 14 | 8914 | 9414 |
| Base 15 | 8115 | 8a15 |
| Base 16 | 7916 | 8216 |