Compare 347987 vs 347990
| Property | 347987 | 347990 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 5 |
| Total factors | 1 | 5 |
| Prime factorization | 3479871 | 21 × 51 × 171 × 231 × 891 |
| Prime factorization | 347987 | 2 × 5 × 17 × 23 × 89 |
| Divisors count | 2 | 32 |
| Divisors | 1, 347987 | 1, 2, 5, 10, 17, 23, 34, 46, 85, 89, 115, 170, 178, 230, 391, 445, 782, 890, 1513, 1955, 2047, 3026, 3910, 4094, 7565, 10235, 15130, 20470, 34799, 69598, 173995, 347990 |
| Number of properties | 13 | 0 |
| Chen primes | 12138th | |
| Cousin primes (2nd member) | 3376th | |
| Primes | 29816th | |
| Prime quadruplets (3rd member) | 77th | |
| Prime quintuplet 2s (3rd member) | 20th | |
| Prime triplets (1st member) | 1305th | |
| Prime triplets (2nd member) | 1304th | |
| Prime triplets (3rd member) | 1303rd | |
| Safe primes | 1841st | |
| Sexy primes (1st member) | 6804th | |
| Sexy primes (2nd member) | 6802nd | |
| Sexy prime triplets (2nd member) | 1318th | |
| Twin primes (1st member) | 3410th | |
| Roman numberals | ||
| Base 2 | 10101001111010100112 | 10101001111010101102 |
| Base 3 | 1222001001023 | 1222001001123 |
| Base 4 | 11103311034 | 11103311124 |
| Base 5 | 421134225 | 421134305 |
| Base 6 | 112430156 | 112430226 |
| Base 7 | 26463537 | 26463567 |
| Base 8 | 12475238 | 12475268 |
| Base 9 | 5803129 | 5803159 |
| Base 10 | 34798710 | 34799010 |
| Base 11 | 2184a211 | 2184a511 |
| Base 12 | 14946b12 | 14947212 |
| Base 13 | c251313 | c251613 |
| Base 14 | 90b6314 | 90b6614 |
| Base 15 | 6d19215 | 6d19515 |
| Base 16 | 54f5316 | 54f5616 |