Compare 399997 vs 400009
| Property | 399997 | 400009 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 131 × 291 × 10611 | 4000091 |
| Prime factorization | 13 × 29 × 1061 | 400009 |
| Divisors count | 8 | 2 |
| Divisors | 1, 13, 29, 377, 1061, 13793, 30769, 399997 | 1, 400009 |
| Number of properties | 0 | 5 |
| Additive primes | 13374th | |
| Chen primes | 13664th | |
| Happy primes | 4997th | |
| Isolated primes | 26254th | |
| Primes | 33861st | |
| Roman numberals | ||
| Base 2 | 11000011010011111012 | 11000011010100010012 |
| Base 3 | 2020222002013 | 2020222010113 |
| Base 4 | 12012213314 | 12012220214 |
| Base 5 | 1002444425 | 1003000145 |
| Base 6 | 123235016 | 123235216 |
| Base 7 | 32541137 | 32541317 |
| Base 8 | 14151758 | 14152118 |
| Base 9 | 6686219 | 6686349 |
| Base 10 | 39999710 | 40000910 |
| Base 11 | 25358411 | 25359511 |
| Base 12 | 17359112 | 1735a112 |
| Base 13 | 1100b013 | 1100bc13 |
| Base 14 | a5ab314 | a5ac114 |
| Base 15 | 7d7b715 | 7d7c415 |
| Base 16 | 61a7d16 | 61a8916 |