Compare 666959 vs 668009
| Property | 666959 | 668009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6669591 | 6680091 |
| Prime factorization | 666959 | 668009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666959 | 1, 668009 |
| Number of properties | 6 | 4 |
| Additive primes | 21114th | 21147th |
| Chen primes | 21146th | |
| Isolated primes | 42415th | 42473rd |
| Primes | 54092nd | 54170th |
| Safe primes | 3124th | |
| Sophie germain primes | 5499th | 5506th |
| Roman numberals | ||
| Base 2 | 101000101101010011112 | 101000110001011010012 |
| Base 3 | 10202122200123 | 10202211000023 |
| Base 4 | 22023110334 | 22030112214 |
| Base 5 | 1323203145 | 1323340145 |
| Base 6 | 221434356 | 221523456 |
| Base 7 | 54453267 | 54513567 |
| Base 8 | 24265178 | 24305518 |
| Base 9 | 12258059 | 12273029 |
| Base 10 | 66695910 | 66800910 |
| Base 11 | 41610711 | 41698111 |
| Base 12 | 281b7b12 | 2826b512 |
| Base 13 | 1a476713 | 1a509413 |
| Base 14 | 1350bd14 | 13562d14 |
| Base 15 | d293e15 | d2dde15 |
| Base 16 | a2d4f16 | a316916 |