Compare 399905 vs 399911
| Property | 399905 | 399911 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 51 × 112 × 6611 | 3999111 |
| Prime factorization | 5 × 11 × 11 × 661 | 399911 |
| Divisors count | 12 | 2 |
| Divisors | 1, 5, 11, 55, 121, 605, 661, 3305, 7271, 36355, 79981, 399905 | 1, 399911 |
| Number of properties | 0 | 4 |
| Chen primes | 13660th | |
| Emirps | 6698th | |
| Primes | 33853rd | |
| Twin primes (1st member) | 3804th | |
| Roman numberals | ||
| Base 2 | 11000011010001000012 | 11000011010001001112 |
| Base 3 | 2020221200223 | 2020221201123 |
| Base 4 | 12012202014 | 12012202134 |
| Base 5 | 1002441105 | 1002441215 |
| Base 6 | 123232256 | 123232356 |
| Base 7 | 32536227 | 32536317 |
| Base 8 | 14150418 | 14150478 |
| Base 9 | 6685089 | 6685159 |
| Base 10 | 39990510 | 39991110 |
| Base 11 | 25350011 | 25350611 |
| Base 12 | 17351512 | 17351b12 |
| Base 13 | 11003c13 | 11004513 |
| Base 14 | a5a4914 | a5a5114 |
| Base 15 | 7d75515 | 7d75b15 |
| Base 16 | 61a2116 | 61a2716 |