Compare 1243 vs 1251
| Property | 1243 | 1251 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 3 |
| Prime factorization | 111 × 1131 | 32 × 1391 |
| Prime factorization | 11 × 113 | 3 × 3 × 139 |
| Divisors count | 4 | 6 |
| Divisors | 1, 11, 113, 1243 | 1, 3, 9, 139, 417, 1251 |
| Number of properties | 1 | 0 |
| Semiprimes | 366th | |
| Roman numberals | MCCXLIII | MCCLI |
| Base 2 | 100110110112 | 100111000112 |
| Base 3 | 12010013 | 12011003 |
| Base 4 | 1031234 | 1032034 |
| Base 5 | 144335 | 200015 |
| Base 6 | 54316 | 54436 |
| Base 7 | 34247 | 34357 |
| Base 8 | 23338 | 23438 |
| Base 9 | 16319 | 16409 |
| Base 10 | 124310 | 125110 |
| Base 11 | a3011 | a3811 |
| Base 12 | 87712 | 88312 |
| Base 13 | 74813 | 75313 |
| Base 14 | 64b14 | 65514 |
| Base 15 | 57d15 | 58615 |
| Base 16 | 4db16 | 4e316 |