Compare 666139 vs 667363
| Property | 666139 | 667363 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6661391 | 6673631 |
| Prime factorization | 666139 | 667363 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666139 | 1, 667363 |
| Number of properties | 4 | 5 |
| Additive primes | 21093rd | 21127th |
| Cousin primes (1st member) | 5825th | 5836th |
| Isolated primes | 42372nd | |
| Primes | 54035th | 54119th |
| Prime triplets (2nd member) | 2132nd | |
| Twin primes (2nd member) | 5843rd | |
| Roman numberals | ||
| Base 2 | 101000101010000110112 | 101000101110111000112 |
| Base 3 | 10202112022113 | 10202201100113 |
| Base 4 | 22022201234 | 22023232034 |
| Base 5 | 1323040245 | 1323234235 |
| Base 6 | 221355516 | 221453516 |
| Base 7 | 54430457 | 54464447 |
| Base 8 | 24250338 | 24273438 |
| Base 9 | 12246849 | 12264049 |
| Base 10 | 66613910 | 66736310 |
| Base 11 | 41553111 | 41644411 |
| Base 12 | 2815b712 | 28225712 |
| Base 13 | 1a428613 | 1a49b813 |
| Base 14 | 134a9514 | 1352cb14 |
| Base 15 | d259415 | d2b0d15 |
| Base 16 | a2a1b16 | a2ee316 |