Compare 1257 vs 1258
| Property | 1257 | 1258 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 4191 | 21 × 171 × 371 |
| Prime factorization | 3 × 419 | 2 × 17 × 37 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 419, 1257 | 1, 2, 17, 34, 37, 74, 629, 1258 |
| Number of properties | 1 | 0 |
| Semiprimes | 370th | |
| Roman numberals | MCCLVII | MCCLVIII |
| Base 2 | 100111010012 | 100111010102 |
| Base 3 | 12011203 | 12011213 |
| Base 4 | 1032214 | 1032224 |
| Base 5 | 200125 | 200135 |
| Base 6 | 54536 | 54546 |
| Base 7 | 34447 | 34457 |
| Base 8 | 23518 | 23528 |
| Base 9 | 16469 | 16479 |
| Base 10 | 125710 | 125810 |
| Base 11 | a4311 | a4411 |
| Base 12 | 88912 | 88a12 |
| Base 13 | 75913 | 75a13 |
| Base 14 | 65b14 | 65c14 |
| Base 15 | 58c15 | 58d15 |
| Base 16 | 4e916 | 4ea16 |