Compare 251261 vs 251264
| Property | 251261 | 251264 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 9 |
| Prime factorization | 2512611 | 27 × 131 × 1511 |
| Prime factorization | 251261 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 151 |
| Divisors count | 2 | 32 |
| Divisors | 1, 251261 | 1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 151, 208, 302, 416, 604, 832, 1208, 1664, 1963, 2416, 3926, 4832, 7852, 9664, 15704, 19328, 31408, 62816, 125632, 251264 |
| Number of properties | 7 | 0 |
| Additive primes | 8981st | |
| Chen primes | 9166th | |
| Cousin primes (2nd member) | 2586th | |
| Long primes | 8293rd | |
| Primes | 22142nd | |
| Prime triplets (2nd member) | 1013th | |
| Twin primes (1st member) | 2600th | |
| Roman numberals | ||
| Base 2 | 1111010101011111012 | 1111010101100000002 |
| Base 3 | 1102021222223 | 1102022000023 |
| Base 4 | 3311113314 | 3311120004 |
| Base 5 | 310200215 | 310200245 |
| Base 6 | 52151256 | 52151326 |
| Base 7 | 20643537 | 20643567 |
| Base 8 | 7525758 | 7526008 |
| Base 9 | 4225889 | 4226029 |
| Base 10 | 25126110 | 25126410 |
| Base 11 | 16185a11 | 16186211 |
| Base 12 | 1014a512 | 1014a812 |
| Base 13 | 8a49a13 | 8a4a013 |
| Base 14 | 677d314 | 677d614 |
| Base 15 | 4e6ab15 | 4e6ae15 |
| Base 16 | 3d57d16 | 3d58016 |