Compare 400019 vs 400031
| Property | 400019 | 400031 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 3371 × 11871 | 4000311 |
| Prime factorization | 337 × 1187 | 400031 |
| Divisors count | 4 | 2 |
| Divisors | 1, 337, 1187, 400019 | 1, 400031 |
| Number of properties | 1 | 3 |
| Chen primes | 13665th | |
| Primes | 33862nd | |
| Semiprimes | 87560th | |
| Twin primes (1st member) | 3805th | |
| Roman numberals | ||
| Base 2 | 11000011010100100112 | 11000011010100111112 |
| Base 3 | 2020222011123 | 2020222012223 |
| Base 4 | 12012221034 | 12012221334 |
| Base 5 | 1003000345 | 1003001115 |
| Base 6 | 123235356 | 123235556 |
| Base 7 | 32541447 | 32541627 |
| Base 8 | 14152238 | 14152378 |
| Base 9 | 6686459 | 6686589 |
| Base 10 | 40001910 | 40003110 |
| Base 11 | 2535a411 | 25360511 |
| Base 12 | 1735ab12 | 1735bb12 |
| Base 13 | 1100c913 | 11010813 |
| Base 14 | a5acb14 | a5ad914 |
| Base 15 | 7d7ce15 | 7d7db15 |
| Base 16 | 61a9316 | 61a9f16 |