Compare 3920 vs 3921
| Property | 3920 | 3921 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 24 × 51 × 72 | 31 × 13071 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 7 × 7 | 3 × 1307 |
| Divisors count | 30 | 4 |
| Divisors | 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920 | 1, 3, 1307, 3921 |
| Number of properties | 0 | 1 |
| Semiprimes | 1082nd | |
| Roman numberals | MMMCMXX | MMMCMXXI |
| Base 2 | 1111010100002 | 1111010100012 |
| Base 3 | 121010123 | 121010203 |
| Base 4 | 3311004 | 3311014 |
| Base 5 | 1111405 | 1111415 |
| Base 6 | 300526 | 300536 |
| Base 7 | 143007 | 143017 |
| Base 8 | 75208 | 75218 |
| Base 9 | 53359 | 53369 |
| Base 10 | 392010 | 392110 |
| Base 11 | 2a4411 | 2a4511 |
| Base 12 | 232812 | 232912 |
| Base 13 | 1a2713 | 1a2813 |
| Base 14 | 160014 | 160114 |
| Base 15 | 126515 | 126615 |
| Base 16 | f5016 | f5116 |