Compare 397907 vs 397981
| Property | 397907 | 397981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3979071 | 3979811 |
| Prime factorization | 397907 | 397981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397907 | 1, 397981 |
| Number of properties | 4 | 5 |
| Additive primes | 13316th | |
| Chen primes | 13600th | 13602nd |
| Isolated primes | 26116th | 26122nd |
| Lucky primes | 4049th | |
| Primes | 33691st | 33697th |
| Safe primes | 2052nd | |
| Roman numberals | ||
| Base 2 | 11000010010010100112 | 11000010010100111012 |
| Base 3 | 2020122110223 | 2020122210013 |
| Base 4 | 12010211034 | 12010221314 |
| Base 5 | 1002131125 | 1002134115 |
| Base 6 | 123100556 | 123103016 |
| Base 7 | 32450367 | 32452037 |
| Base 8 | 14111238 | 14112358 |
| Base 9 | 6657389 | 6658319 |
| Base 10 | 39790710 | 39798110 |
| Base 11 | 251a5411 | 25201111 |
| Base 12 | 17232b12 | 17239112 |
| Base 13 | 10c16313 | 10c1bc13 |
| Base 14 | a501d14 | a507314 |
| Base 15 | 7cd7215 | 7cdc115 |
| Base 16 | 6125316 | 6129d16 |