Compare 1221 vs 1222
| Property | 1221 | 1222 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 3 |
| Prime factorization | 31 × 111 × 371 | 21 × 131 × 471 |
| Prime factorization | 3 × 11 × 37 | 2 × 13 × 47 |
| Divisors count | 8 | 8 |
| Divisors | 1, 3, 11, 33, 37, 111, 407, 1221 | 1, 2, 13, 26, 47, 94, 611, 1222 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXXI | MCCXXII |
| Base 2 | 100110001012 | 100110001102 |
| Base 3 | 12000203 | 12000213 |
| Base 4 | 1030114 | 1030124 |
| Base 5 | 143415 | 143425 |
| Base 6 | 53536 | 53546 |
| Base 7 | 33637 | 33647 |
| Base 8 | 23058 | 23068 |
| Base 9 | 16069 | 16079 |
| Base 10 | 122110 | 122210 |
| Base 11 | a1011 | a1111 |
| Base 12 | 85912 | 85a12 |
| Base 13 | 72c13 | 73013 |
| Base 14 | 63314 | 63414 |
| Base 15 | 56615 | 56715 |
| Base 16 | 4c516 | 4c616 |