Compare 397981 vs 399781
| Property | 397981 | 399781 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3979811 | 3997811 |
| Prime factorization | 397981 | 399781 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397981 | 1, 399781 |
| Number of properties | 5 | 7 |
| Additive primes | 13316th | 13367th |
| Chen primes | 13602nd | 13657th |
| Isolated primes | 26122nd | 26242nd |
| Lucky primes | 4049th | 4060th |
| Primes | 33697th | 33845th |
| Sexy primes (1st member) | 7648th | |
| Sexy prime triplets (1st member) | 1463rd | |
| Roman numberals | ||
| Base 2 | 11000010010100111012 | 11000011001101001012 |
| Base 3 | 2020122210013 | 2020221012013 |
| Base 4 | 12010221314 | 12012122114 |
| Base 5 | 1002134115 | 1002431115 |
| Base 6 | 123103016 | 123225016 |
| Base 7 | 32452037 | 32533547 |
| Base 8 | 14112358 | 14146458 |
| Base 9 | 6658319 | 6683519 |
| Base 10 | 39798110 | 39978110 |
| Base 11 | 25201111 | 2533a811 |
| Base 12 | 17239112 | 17343112 |
| Base 13 | 10c1bc13 | 10cc7513 |
| Base 14 | a507314 | a599b14 |
| Base 15 | 7cdc115 | 7d6c115 |
| Base 16 | 6129d16 | 619a516 |