Compare 12155 vs 12161
| Property | 12155 | 12161 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 111 × 131 × 171 | 121611 |
| Prime factorization | 5 × 11 × 13 × 17 | 12161 |
| Divisors count | 16 | 2 |
| Divisors | 1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155 | 1, 12161 |
| Number of properties | 0 | 8 |
| Additive primes | 701st | |
| Chen primes | 745th | |
| Cousin primes (2nd member) | 237th | |
| Primes | 1456th | |
| Prime triplets (2nd member) | 124th | |
| Proth primes | 41st | |
| Pythagorean primes | 718th | |
| Twin primes (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 101111011110112 | 101111100000012 |
| Base 3 | 1212000123 | 1212001023 |
| Base 4 | 23313234 | 23320014 |
| Base 5 | 3421105 | 3421215 |
| Base 6 | 1321356 | 1321456 |
| Base 7 | 503037 | 503127 |
| Base 8 | 275738 | 276018 |
| Base 9 | 176059 | 176129 |
| Base 10 | 1215510 | 1216110 |
| Base 11 | 915011 | 915611 |
| Base 12 | 704b12 | 705512 |
| Base 13 | 56c013 | 56c613 |
| Base 14 | 460314 | 460914 |
| Base 15 | 390515 | 390b15 |
| Base 16 | 2f7b16 | 2f8116 |