Compare 121 vs 143
| Property | 121 | 143 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 112 | 111 × 131 |
| Prime factorization | 11 × 11 | 11 × 13 |
| Divisors count | 3 | 4 |
| Divisors | 1, 11, 121 | 1, 11, 13, 143 |
| Number of properties | 1 | 1 |
| Semiprimes | 40th | 48th |
| Roman numberals | CXXI | CXLIII |
| Base 2 | 11110012 | 100011112 |
| Base 3 | 111113 | 120223 |
| Base 4 | 13214 | 20334 |
| Base 5 | 4415 | 10335 |
| Base 6 | 3216 | 3556 |
| Base 7 | 2327 | 2637 |
| Base 8 | 1718 | 2178 |
| Base 9 | 1449 | 1689 |
| Base 10 | 12110 | 14310 |
| Base 11 | 10011 | 12011 |
| Base 12 | a112 | bb12 |
| Base 13 | 9413 | b013 |
| Base 14 | 8914 | a314 |
| Base 15 | 8115 | 9815 |
| Base 16 | 7916 | 8f16 |