Compare 12905 vs 12907
| Property | 12905 | 12907 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 291 × 891 | 129071 |
| Prime factorization | 5 × 29 × 89 | 12907 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 29, 89, 145, 445, 2581, 12905 | 1, 12907 |
| Number of properties | 0 | 7 |
| 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 | 110010011010012 | 110010011010112 |
| Base 3 | 1222002223 | 1222010013 |
| Base 4 | 30212214 | 30212234 |
| Base 5 | 4031105 | 4031125 |
| Base 6 | 1354256 | 1354316 |
| Base 7 | 524247 | 524267 |
| Base 8 | 311518 | 311538 |
| Base 9 | 186289 | 186319 |
| Base 10 | 1290510 | 1290710 |
| Base 11 | 977211 | 977411 |
| Base 12 | 757512 | 757712 |
| Base 13 | 5b4913 | 5b4b13 |
| Base 14 | 49bb14 | 49bd14 |
| Base 15 | 3c5515 | 3c5715 |
| Base 16 | 326916 | 326b16 |