Compare 420047 vs 420149
| Property | 420047 | 420149 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4200471 | 4201491 |
| Prime factorization | 420047 | 420149 |
| Divisors count | 2 | 2 |
| Divisors | 1, 420047 | 1, 420149 |
| Number of properties | 4 | 4 |
| Additive primes | 13989th | |
| Chen primes | 14219th | |
| Isolated primes | 27474th | 27478th |
| Primes | 35395th | 35399th |
| Sexy primes (2nd member) | 7970th | |
| Sophie germain primes | 3737th | |
| Roman numberals | ||
| Base 2 | 11001101000110011112 | 11001101001001101012 |
| Base 3 | 2101000120223 | 2101001000023 |
| Base 4 | 12122030334 | 12122103114 |
| Base 5 | 1014201425 | 1014210445 |
| Base 6 | 130003556 | 130010456 |
| Base 7 | 33664257 | 33666327 |
| Base 8 | 14643178 | 14644658 |
| Base 9 | 7101689 | 7103029 |
| Base 10 | 42004710 | 42014910 |
| Base 11 | 26765111 | 26773411 |
| Base 12 | 1830bb12 | 18318512 |
| Base 13 | 11926413 | 11931213 |
| Base 14 | ad11514 | ad18914 |
| Base 15 | 846d215 | 8474e15 |
| Base 16 | 668cf16 | 6693516 |