Compare 1440 vs 1441
| Property | 1440 | 1441 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 8 | 2 |
| Prime factorization | 25 × 32 × 51 | 111 × 1311 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 | 11 × 131 |
| Divisors count | 36 | 4 |
| Divisors | 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440 | 1, 11, 131, 1441 |
| Number of properties | 0 | 1 |
| Semiprimes | 425th | |
| Roman numberals | MCDXL | MCDXLI |
| Base 2 | 101101000002 | 101101000012 |
| Base 3 | 12221003 | 12221013 |
| Base 4 | 1122004 | 1122014 |
| Base 5 | 212305 | 212315 |
| Base 6 | 104006 | 104016 |
| Base 7 | 41257 | 41267 |
| Base 8 | 26408 | 26418 |
| Base 9 | 18709 | 18719 |
| Base 10 | 144010 | 144110 |
| Base 11 | 109a11 | 10a011 |
| Base 12 | a0012 | a0112 |
| Base 13 | 86a13 | 86b13 |
| Base 14 | 74c14 | 74d14 |
| Base 15 | 66015 | 66115 |
| Base 16 | 5a016 | 5a116 |