Compare 251081 vs 251089
| Property | 251081 | 251089 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2510811 | 2571 × 9771 |
| Prime factorization | 251081 | 257 × 977 |
| Divisors count | 2 | 4 |
| Divisors | 1, 251081 | 1, 257, 977, 251089 |
| Number of properties | 6 | 1 |
| Additive primes | 8971st | |
| Chen primes | 9157th | |
| Isolated primes | 16934th | |
| Primes | 22123rd | |
| Semiprimes | 56172nd | |
| Sexy primes (1st member) | 5164th | |
| Super primes | 2480th | |
| Roman numberals | ||
| Base 2 | 1111010100110010012 | 1111010100110100012 |
| Base 3 | 1102021020223 | 1102021021213 |
| Base 4 | 3311030214 | 3311031014 |
| Base 5 | 310133115 | 310133245 |
| Base 6 | 52142256 | 52142416 |
| Base 7 | 20640057 | 20640167 |
| Base 8 | 7523118 | 7523218 |
| Base 9 | 4223689 | 4223779 |
| Base 10 | 25108110 | 25108910 |
| Base 11 | 16170611 | 16171311 |
| Base 12 | 10137512 | 10138112 |
| Base 13 | 8a38c13 | 8a39713 |
| Base 14 | 6770514 | 6770d14 |
| Base 15 | 4e5db15 | 4e5e415 |
| Base 16 | 3d4c916 | 3d4d116 |