Compare 1240 vs 1251
| Property | 1240 | 1251 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 3 | 2 |
| Total factors | 5 | 3 |
| Prime factorization | 23 × 51 × 311 | 32 × 1391 |
| Prime factorization | 2 × 2 × 2 × 5 × 31 | 3 × 3 × 139 |
| Divisors count | 16 | 6 |
| Divisors | 1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240 | 1, 3, 9, 139, 417, 1251 |
| Number of properties | 0 | 0 |
| Roman numberals | MCCXL | MCCLI |
| Base 2 | 100110110002 | 100111000112 |
| Base 3 | 12002213 | 12011003 |
| Base 4 | 1031204 | 1032034 |
| Base 5 | 144305 | 200015 |
| Base 6 | 54246 | 54436 |
| Base 7 | 34217 | 34357 |
| Base 8 | 23308 | 23438 |
| Base 9 | 16279 | 16409 |
| Base 10 | 124010 | 125110 |
| Base 11 | a2811 | a3811 |
| Base 12 | 87412 | 88312 |
| Base 13 | 74513 | 75313 |
| Base 14 | 64814 | 65514 |
| Base 15 | 57a15 | 58615 |
| Base 16 | 4d816 | 4e316 |