Compare 251287 vs 252139
| Property | 251287 | 252139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2512871 | 2521391 |
| Prime factorization | 251287 | 252139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 251287 | 1, 252139 |
| Number of properties | 4 | 4 |
| Chen primes | 9190th | |
| Cousin primes (1st member) | 2587th | 2593rd |
| Harmonic primes | 8260th | |
| Isolated primes | 16945th | 16998th |
| Primes | 22144th | 22211th |
| Roman numberals | ||
| Base 2 | 1111010101100101112 | 1111011000111010112 |
| Base 3 | 1102022002213 | 1102102121113 |
| Base 4 | 3311121134 | 3312032234 |
| Base 5 | 310201225 | 310320245 |
| Base 6 | 52152116 | 52231516 |
| Base 7 | 20644217 | 21000467 |
| Base 8 | 7526278 | 7543538 |
| Base 9 | 4226279 | 4237749 |
| Base 10 | 25128710 | 25213910 |
| Base 11 | 16188311 | 16248811 |
| Base 12 | 10150712 | 101ab712 |
| Base 13 | 8a4ba13 | 8a9c413 |
| Base 14 | 6781114 | 67c5d14 |
| Base 15 | 4e6c715 | 4ea9415 |
| Base 16 | 3d59716 | 3d8eb16 |