Compare 397981 vs 399403
| Property | 397981 | 399403 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3979811 | 3994031 |
| Prime factorization | 397981 | 399403 |
| Divisors count | 2 | 2 |
| Divisors | 1, 397981 | 1, 399403 |
| Number of properties | 5 | 4 |
| Additive primes | 13316th | |
| Chen primes | 13602nd | |
| Isolated primes | 26122nd | |
| Lucky primes | 4049th | 4057th |
| Primes | 33697th | 33812th |
| Sexy primes (1st member) | 7643rd | |
| Twin primes (2nd member) | 3800th | |
| Roman numberals | ||
| Base 2 | 11000010010100111012 | 11000011000001010112 |
| Base 3 | 2020122210013 | 2020212122013 |
| Base 4 | 12010221314 | 12012002234 |
| Base 5 | 1002134115 | 1002401035 |
| Base 6 | 123103016 | 123210316 |
| Base 7 | 32452037 | 32523047 |
| Base 8 | 14112358 | 14140538 |
| Base 9 | 6658319 | 6677819 |
| Base 10 | 39798110 | 39940310 |
| Base 11 | 25201111 | 25309411 |
| Base 12 | 17239112 | 17317712 |
| Base 13 | 10c1bc13 | 10ca4413 |
| Base 14 | a507314 | a57ab14 |
| Base 15 | 7cdc115 | 7d51d15 |
| Base 16 | 6129d16 | 6182b16 |