Compare 399691 vs 400009
| Property | 399691 | 400009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3996911 | 4000091 |
| Prime factorization | 399691 | 400009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399691 | 1, 400009 |
| Number of properties | 4 | 5 |
| Additive primes | 13364th | 13374th |
| Chen primes | 13664th | |
| Emirps | 6690th | |
| Happy primes | 4997th | |
| Isolated primes | 26254th | |
| Primes | 33837th | 33861st |
| Twin primes (2nd member) | 3802nd | |
| Roman numberals | ||
| Base 2 | 11000011001010010112 | 11000011010100010012 |
| Base 3 | 2020220211013 | 2020222010113 |
| Base 4 | 12012110234 | 12012220214 |
| Base 5 | 1002422315 | 1003000145 |
| Base 6 | 123222316 | 123235216 |
| Base 7 | 32531657 | 32541317 |
| Base 8 | 14145138 | 14152118 |
| Base 9 | 6682419 | 6686349 |
| Base 10 | 39969110 | 40000910 |
| Base 11 | 25332611 | 25359511 |
| Base 12 | 17337712 | 1735a112 |
| Base 13 | 10cc0613 | 1100bc13 |
| Base 14 | a593514 | a5ac114 |
| Base 15 | 7d66115 | 7d7c415 |
| Base 16 | 6194b16 | 61a8916 |