Compare 666431 vs 666707
| Property | 666431 | 666707 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6664311 | 6667071 |
| Prime factorization | 666431 | 666707 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666431 | 1, 666707 |
| Number of properties | 10 | 3 |
| Chen primes | 21134th | 21142nd |
| Cousin primes (2nd member) | 5828th | |
| Isolated primes | 42401st | |
| Primes | 54051st | 54074th |
| Prime quadruplets (1st member) | 130th | |
| Prime quintuplet 1s (2nd member) | 26th | |
| Prime triplets (1st member) | 2128th | |
| Prime triplets (2nd member) | 2127th | |
| Sexy primes (1st member) | 11664th | |
| Twin primes (1st member) | 5833rd | |
| Ulam primes | 3969th | |
| Roman numberals | ||
| Base 2 | 101000101011001111112 | 101000101100010100112 |
| Base 3 | 10202120111223 | 10202121122123 |
| Base 4 | 22022303334 | 22023011034 |
| Base 5 | 1323112115 | 1323133125 |
| Base 6 | 221411556 | 221423356 |
| Base 7 | 54436437 | 54445167 |
| Base 8 | 24254778 | 24261238 |
| Base 9 | 12251489 | 12254859 |
| Base 10 | 66643110 | 66670710 |
| Base 11 | 41577711 | 4159a811 |
| Base 12 | 2817bb12 | 2819ab12 |
| Base 13 | 1a444c13 | 1a460213 |
| Base 14 | 134c2314 | 134d7d14 |
| Base 15 | d26db15 | d282215 |
| Base 16 | a2b3f16 | a2c5316 |