Compare 399887 vs 401407
| Property | 399887 | 401407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 3998871 | 4014071 |
| Prime factorization | 399887 | 401407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 399887 | 1, 401407 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 3819th | |
| Emirps | 6697th | |
| Happy primes | 5020th | |
| Isolated primes | 26246th | 26342nd |
| Primes | 33851st | 33961st |
| Super primes | 3625th | 3636th |
| Roman numberals | ||
| Base 2 | 11000011010000011112 | 11000011111111111112 |
| Base 3 | 2020221121223 | 2021011212213 |
| Base 4 | 12012200334 | 12013333334 |
| Base 5 | 1002440225 | 1003211125 |
| Base 6 | 123231556 | 123342116 |
| Base 7 | 32535657 | 32611667 |
| Base 8 | 14150178 | 14177778 |
| Base 9 | 6684789 | 6715579 |
| Base 10 | 39988710 | 40140710 |
| Base 11 | 25349411 | 25464611 |
| Base 12 | 1734bb12 | 17436712 |
| Base 13 | 11002713 | 11092613 |
| Base 14 | a5a3514 | a63dd14 |
| Base 15 | 7d74215 | 7de0715 |
| Base 16 | 61a0f16 | 61fff16 |