Compare 1221 vs 1224
| Property | 1221 | 1224 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 3 |
| Total factors | 3 | 6 |
| Prime factorization | 31 × 111 × 371 | 23 × 32 × 171 |
| Prime factorization | 3 × 11 × 37 | 2 × 2 × 2 × 3 × 3 × 17 |
| Divisors count | 8 | 24 |
| Divisors | 1, 3, 11, 33, 37, 111, 407, 1221 | 1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXXI | MCCXXIV |
| Base 2 | 100110001012 | 100110010002 |
| Base 3 | 12000203 | 12001003 |
| Base 4 | 1030114 | 1030204 |
| Base 5 | 143415 | 143445 |
| Base 6 | 53536 | 54006 |
| Base 7 | 33637 | 33667 |
| Base 8 | 23058 | 23108 |
| Base 9 | 16069 | 16109 |
| Base 10 | 122110 | 122410 |
| Base 11 | a1011 | a1311 |
| Base 12 | 85912 | 86012 |
| Base 13 | 72c13 | 73213 |
| Base 14 | 63314 | 63614 |
| Base 15 | 56615 | 56915 |
| Base 16 | 4c516 | 4c816 |