Compare 1390 vs 1397
| Property | 1390 | 1397 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 51 × 1391 | 111 × 1271 |
| Prime factorization | 2 × 5 × 139 | 11 × 127 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 5, 10, 139, 278, 695, 1390 | 1, 11, 127, 1397 |
| Number of properties | 0 | 1 |
| Semiprimes | 414th | |
| Roman numberals | MCCCXC | MCCCXCVII |
| Base 2 | 101011011102 | 101011101012 |
| Base 3 | 12201113 | 12202023 |
| Base 4 | 1112324 | 1113114 |
| Base 5 | 210305 | 210425 |
| Base 6 | 102346 | 102456 |
| Base 7 | 40247 | 40347 |
| Base 8 | 25568 | 25658 |
| Base 9 | 18149 | 18229 |
| Base 10 | 139010 | 139710 |
| Base 11 | 105411 | 106011 |
| Base 12 | 97a12 | 98512 |
| Base 13 | 82c13 | 83613 |
| Base 14 | 71414 | 71b14 |
| Base 15 | 62a15 | 63215 |
| Base 16 | 56e16 | 57516 |