Compare 666139 vs 666147
| Property | 666139 | 666147 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6661391 | 31 × 2331 × 9531 |
| Prime factorization | 666139 | 3 × 233 × 953 |
| Divisors count | 2 | 8 |
| Divisors | 1, 666139 | 1, 3, 233, 699, 953, 2859, 222049, 666147 |
| Number of properties | 4 | 0 |
| Additive primes | 21093rd | |
| Cousin primes (1st member) | 5825th | |
| Isolated primes | 42372nd | |
| Primes | 54035th | |
| Roman numberals | ||
| Base 2 | 101000101010000110112 | 101000101010001000112 |
| Base 3 | 10202112022113 | 10202112100103 |
| Base 4 | 22022201234 | 22022202034 |
| Base 5 | 1323040245 | 1323040425 |
| Base 6 | 221355516 | 221400036 |
| Base 7 | 54430457 | 54430567 |
| Base 8 | 24250338 | 24250438 |
| Base 9 | 12246849 | 12247039 |
| Base 10 | 66613910 | 66614710 |
| Base 11 | 41553111 | 41553911 |
| Base 12 | 2815b712 | 28160312 |
| Base 13 | 1a428613 | 1a429113 |
| Base 14 | 134a9514 | 134a9d14 |
| Base 15 | d259415 | d259c15 |
| Base 16 | a2a1b16 | a2a2316 |