Compare 121215 vs 121221
| Property | 121215 | 121221 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 3 | 3 |
| Prime factorization | 31 × 51 × 80811 | 32 × 134691 |
| Prime factorization | 3 × 5 × 8081 | 3 × 3 × 13469 |
| Divisors count | 8 | 6 |
| Divisors | 1, 3, 5, 15, 8081, 24243, 40405, 121215 | 1, 3, 9, 13469, 40407, 121221 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 111011001011111112 | 111011001100001012 |
| Base 3 | 200110211103 | 200110212003 |
| Base 4 | 1312113334 | 1312120114 |
| Base 5 | 123343305 | 123343415 |
| Base 6 | 23331036 | 23331136 |
| Base 7 | 10132537 | 10132627 |
| Base 8 | 3545778 | 3546058 |
| Base 9 | 2042439 | 2042509 |
| Base 10 | 12121510 | 12122110 |
| Base 11 | 8308611 | 8309111 |
| Base 12 | 5a19312 | 5a19912 |
| Base 13 | 4323313 | 4323913 |
| Base 14 | 3226314 | 3226914 |
| Base 15 | 25db015 | 25db615 |
| Base 16 | 1d97f16 | 1d98516 |