Compare 397981 vs 397987
| Property | 397981 | 397987 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 3979811 | 171 × 411 × 5711 |
| Prime factorization | 397981 | 17 × 41 × 571 |
| Divisors count | 2 | 8 |
| Divisors | 1, 397981 | 1, 17, 41, 571, 697, 9707, 23411, 397987 |
| Number of properties | 5 | 0 |
| Additive primes | 13316th | |
| Chen primes | 13602nd | |
| Isolated primes | 26122nd | |
| Lucky primes | 4049th | |
| Primes | 33697th | |
| Roman numberals | ||
| Base 2 | 11000010010100111012 | 11000010010101000112 |
| Base 3 | 2020122210013 | 2020122210213 |
| Base 4 | 12010221314 | 12010222034 |
| Base 5 | 1002134115 | 1002134225 |
| Base 6 | 123103016 | 123103116 |
| Base 7 | 32452037 | 32452127 |
| Base 8 | 14112358 | 14112438 |
| Base 9 | 6658319 | 6658379 |
| Base 10 | 39798110 | 39798710 |
| Base 11 | 25201111 | 25201711 |
| Base 12 | 17239112 | 17239712 |
| Base 13 | 10c1bc13 | 10c1c513 |
| Base 14 | a507314 | a507914 |
| Base 15 | 7cdc115 | 7cdc715 |
| Base 16 | 6129d16 | 612a316 |