Compare 399221 vs 399231
| Property | 399221 | 399231 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 3992211 | 32 × 71 × 63371 |
| Prime factorization | 399221 | 3 × 3 × 7 × 6337 |
| Divisors count | 2 | 12 |
| Divisors | 1, 399221 | 1, 3, 7, 9, 21, 63, 6337, 19011, 44359, 57033, 133077, 399231 |
| Number of properties | 5 | 0 |
| Chen primes | 13642nd | |
| Isolated primes | 26207th | |
| Primes | 33798th | |
| Sexy primes (1st member) | 7640th | |
| Sophie germain primes | 3586th | |
| Roman numberals | ||
| Base 2 | 11000010111011101012 | 11000010111011111112 |
| Base 3 | 2020211212223 | 2020211221003 |
| Base 4 | 12011313114 | 12011313334 |
| Base 5 | 1002333415 | 1002334115 |
| Base 6 | 123201256 | 123201436 |
| Base 7 | 32516247 | 32516407 |
| Base 8 | 14135658 | 14135778 |
| Base 9 | 6675589 | 6675709 |
| Base 10 | 39922110 | 39923110 |
| Base 11 | 252a3911 | 252a4811 |
| Base 12 | 17304512 | 17305312 |
| Base 13 | 10c93413 | 10c94113 |
| Base 14 | a56bb14 | a56c714 |
| Base 15 | 7d44b15 | 7d45615 |
| Base 16 | 6177516 | 6177f16 |