Compare 1219 vs 1221
| Property | 1219 | 1221 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 231 × 531 | 31 × 111 × 371 |
| Prime factorization | 23 × 53 | 3 × 11 × 37 |
| Divisors count | 4 | 8 |
| Divisors | 1, 23, 53, 1219 | 1, 3, 11, 33, 37, 111, 407, 1221 |
| Number of properties | 1 | 0 |
| Semiprimes | 360th | |
| Roman numberals | MCCXIX | MCCXXI |
| Base 2 | 100110000112 | 100110001012 |
| Base 3 | 12000113 | 12000203 |
| Base 4 | 1030034 | 1030114 |
| Base 5 | 143345 | 143415 |
| Base 6 | 53516 | 53536 |
| Base 7 | 33617 | 33637 |
| Base 8 | 23038 | 23058 |
| Base 9 | 16049 | 16069 |
| Base 10 | 121910 | 122110 |
| Base 11 | a0911 | a1011 |
| Base 12 | 85712 | 85912 |
| Base 13 | 72a13 | 72c13 |
| Base 14 | 63114 | 63314 |
| Base 15 | 56415 | 56615 |
| Base 16 | 4c316 | 4c516 |