Compare 1371 vs 1380
| Property | 1371 | 1380 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 5 |
| Prime factorization | 31 × 4571 | 22 × 31 × 51 × 231 |
| Prime factorization | 3 × 457 | 2 × 2 × 3 × 5 × 23 |
| Divisors count | 4 | 24 |
| Divisors | 1, 3, 457, 1371 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380 |
| Number of properties | 1 | 0 |
| Semiprimes | 405th | |
| Roman numberals | MCCCLXXI | MCCCLXXX |
| Base 2 | 101010110112 | 101011001002 |
| Base 3 | 12122103 | 12200103 |
| Base 4 | 1111234 | 1112104 |
| Base 5 | 204415 | 210105 |
| Base 6 | 102036 | 102206 |
| Base 7 | 36667 | 40117 |
| Base 8 | 25338 | 25448 |
| Base 9 | 17839 | 18039 |
| Base 10 | 137110 | 138010 |
| Base 11 | 103711 | 104511 |
| Base 12 | 96312 | 97012 |
| Base 13 | 81613 | 82213 |
| Base 14 | 6dd14 | 70814 |
| Base 15 | 61615 | 62015 |
| Base 16 | 55b16 | 56416 |