Compare 666671 vs 666749
| Property | 666671 | 666749 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6666711 | 6667491 |
| Prime factorization | 666671 | 666749 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666671 | 1, 666749 |
| Number of properties | 4 | 3 |
| Chen primes | 21140th | 21143rd |
| Cousin primes (2nd member) | 5831st | |
| Isolated primes | 42398th | |
| Primes | 54071st | 54078th |
| Twin primes (1st member) | 5838th | |
| Roman numberals | ||
| Base 2 | 101000101100001011112 | 101000101100011111012 |
| Base 3 | 10202121111123 | 10202121211023 |
| Base 4 | 22023002334 | 22023013314 |
| Base 5 | 1323131415 | 1323134445 |
| Base 6 | 221422356 | 221424456 |
| Base 7 | 54444357 | 54446067 |
| Base 8 | 24260578 | 24261758 |
| Base 9 | 12254459 | 12255429 |
| Base 10 | 66667110 | 66674910 |
| Base 11 | 41597511 | 415a3611 |
| Base 12 | 28197b12 | 281a2512 |
| Base 13 | 1a45a513 | 1a463513 |
| Base 14 | 134d5514 | 134dad14 |
| Base 15 | d27eb15 | d284e15 |
| Base 16 | a2c2f16 | a2c7d16 |