Compare 12907 vs 12909
| Property | 12907 | 12909 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 129071 | 31 × 131 × 3311 |
| Prime factorization | 12907 | 3 × 13 × 331 |
| Divisors count | 2 | 8 |
| Divisors | 1, 12907 | 1, 3, 13, 39, 331, 993, 4303, 12909 |
| Number of properties | 7 | 0 |
| Additive primes | 743rd | |
| Cousin primes (1st member) | 247th | |
| Emirps | 361st | |
| Harmonic primes | 551st | |
| Isolated primes | 1047th | |
| Lucky primes | 261st | |
| Primes | 1536th | |
| Roman numberals | ||
| Base 2 | 110010011010112 | 110010011011012 |
| Base 3 | 1222010013 | 1222010103 |
| Base 4 | 30212234 | 30212314 |
| Base 5 | 4031125 | 4031145 |
| Base 6 | 1354316 | 1354336 |
| Base 7 | 524267 | 524317 |
| Base 8 | 311538 | 311558 |
| Base 9 | 186319 | 186339 |
| Base 10 | 1290710 | 1290910 |
| Base 11 | 977411 | 977611 |
| Base 12 | 757712 | 757912 |
| Base 13 | 5b4b13 | 5b5013 |
| Base 14 | 49bd14 | 49c114 |
| Base 15 | 3c5715 | 3c5915 |
| Base 16 | 326b16 | 326d16 |