Compare 666089 vs 666647
| Property | 666089 | 666647 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6660891 | 6666471 |
| Prime factorization | 666089 | 666647 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666089 | 1, 666647 |
| Number of properties | 3 | 6 |
| Chen primes | 21128th | 21139th |
| Cousin primes (2nd member) | 5830th | |
| Primes | 54031st | 54068th |
| Prime triplets (2nd member) | 2130th | |
| Safe primes | 3122nd | |
| Twin primes (1st member) | 5832nd | 5837th |
| Roman numberals | ||
| Base 2 | 101000101001111010012 | 101000101100000101112 |
| Base 3 | 10202112002223 | 10202121101223 |
| Base 4 | 22022132214 | 22023001134 |
| Base 5 | 1323033245 | 1323130425 |
| Base 6 | 221354256 | 221421556 |
| Base 7 | 54426447 | 54444027 |
| Base 8 | 24247518 | 24260278 |
| Base 9 | 12246289 | 12254189 |
| Base 10 | 66608910 | 66664710 |
| Base 11 | 41549611 | 41595311 |
| Base 12 | 28157512 | 28195b12 |
| Base 13 | 1a424813 | 1a458713 |
| Base 14 | 134a5b14 | 134d3914 |
| Base 15 | d255e15 | d27d215 |
| Base 16 | a29e916 | a2c1716 |