Compare 666081 vs 666089
| Property | 666081 | 666089 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 131 × 56931 | 6660891 |
| Prime factorization | 3 × 3 × 13 × 5693 | 666089 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 9, 13, 39, 117, 5693, 17079, 51237, 74009, 222027, 666081 | 1, 666089 |
| Number of properties | 0 | 3 |
| Chen primes | 21128th | |
| Primes | 54031st | |
| Twin primes (1st member) | 5832nd | |
| Roman numberals | ||
| Base 2 | 101000101001111000012 | 101000101001111010012 |
| Base 3 | 10202112002003 | 10202112002223 |
| Base 4 | 22022132014 | 22022132214 |
| Base 5 | 1323033115 | 1323033245 |
| Base 6 | 221354136 | 221354256 |
| Base 7 | 54426337 | 54426447 |
| Base 8 | 24247418 | 24247518 |
| Base 9 | 12246209 | 12246289 |
| Base 10 | 66608110 | 66608910 |
| Base 11 | 41548911 | 41549611 |
| Base 12 | 28156912 | 28157512 |
| Base 13 | 1a424013 | 1a424813 |
| Base 14 | 134a5314 | 134a5b14 |
| Base 15 | d255615 | d255e15 |
| Base 16 | a29e116 | a29e916 |