Compare 397921 vs 399389
| Property | 397921 | 399389 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3979211 | 3993891 |
| Prime factorization | 397921 | 399389 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397921 | 1, 399389 |
| Number of properties | 5 | 7 |
| Additive primes | 13314th | 13353rd |
| Chen primes | 13646th | |
| Emirps | 6650th | 6680th |
| Isolated primes | 26117th | |
| Primes | 33692nd | 33809th |
| Super primes | 3621st | |
| Twin primes (1st member) | 3799th | |
| Ulam primes | 2424th | 2434th |
| Roman numberals | ||
| Base 2 | 11000010010011000012 | 11000011000000111012 |
| Base 3 | 2020122112113 | 2020212120123 |
| Base 4 | 12010212014 | 12012001314 |
| Base 5 | 1002131415 | 1002400245 |
| Base 6 | 123101216 | 123210056 |
| Base 7 | 32450567 | 32522547 |
| Base 8 | 14111418 | 14140358 |
| Base 9 | 6657549 | 6677659 |
| Base 10 | 39792110 | 39938910 |
| Base 11 | 251a6711 | 25308111 |
| Base 12 | 17234112 | 17316512 |
| Base 13 | 10c17413 | 10ca3313 |
| Base 14 | a502d14 | a579b14 |
| Base 15 | 7cd8115 | 7d50e15 |
| Base 16 | 6126116 | 6181d16 |