Compare 399986 vs 399989
| Property | 399986 | 399989 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 431 × 46511 | 3999891 |
| Prime factorization | 2 × 43 × 4651 | 399989 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 43, 86, 4651, 9302, 199993, 399986 | 1, 399989 |
| Number of properties | 0 | 7 |
| Additive primes | 13373rd | |
| Chen primes | 13663rd | |
| Happy primes | 4996th | |
| Isolated primes | 26253rd | |
| Primes | 33860th | |
| Sexy primes (2nd member) | 7650th | |
| Sophie germain primes | 3589th | |
| Roman numberals | ||
| Base 2 | 11000011010011100102 | 11000011010011101012 |
| Base 3 | 2020222000223 | 2020222001023 |
| Base 4 | 12012213024 | 12012213114 |
| Base 5 | 1002444215 | 1002444245 |
| Base 6 | 123234426 | 123234456 |
| Base 7 | 32540667 | 32541027 |
| Base 8 | 14151628 | 14151658 |
| Base 9 | 6686089 | 6686129 |
| Base 10 | 39998610 | 39998910 |
| Base 11 | 25357411 | 25357711 |
| Base 12 | 17358212 | 17358512 |
| Base 13 | 1100a213 | 1100a513 |
| Base 14 | a5aa614 | a5aa914 |
| Base 15 | 7d7ab15 | 7d7ae15 |
| Base 16 | 61a7216 | 61a7516 |