Compare 420149 vs 420263
| Property | 420149 | 420263 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 4201491 | 4202631 |
| Prime factorization | 420149 | 420263 |
| Divisors count | 2 | 2 |
| Divisors | 1, 420149 | 1, 420263 |
| Number of properties | 4 | 6 |
| Additive primes | 13994th | |
| Chen primes | 14219th | 14221st |
| Isolated primes | 27478th | 27483rd |
| Primes | 35399th | 35406th |
| Safe primes | 2138th | |
| Sexy primes (1st member) | 7972nd | |
| Sophie germain primes | 3737th | |
| Roman numberals | ||
| Base 2 | 11001101001001101012 | 11001101001101001112 |
| Base 3 | 2101001000023 | 2101001110223 |
| Base 4 | 12122103114 | 12122122134 |
| Base 5 | 1014210445 | 1014220235 |
| Base 6 | 130010456 | 130013556 |
| Base 7 | 33666327 | 34001547 |
| Base 8 | 14644658 | 14646478 |
| Base 9 | 7103029 | 7104389 |
| Base 10 | 42014910 | 42026310 |
| Base 11 | 26773411 | 26782811 |
| Base 12 | 18318512 | 18325b12 |
| Base 13 | 11931213 | 11939c13 |
| Base 14 | ad18914 | ad22b14 |
| Base 15 | 8474e15 | 847c815 |
| Base 16 | 6693516 | 669a716 |