Compare 666959 vs 668243
| Property | 666959 | 668243 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6669591 | 6682431 |
| Prime factorization | 666959 | 668243 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666959 | 1, 668243 |
| Number of properties | 6 | 5 |
| Additive primes | 21114th | 21156th |
| Chen primes | 21146th | 21182nd |
| Isolated primes | 42415th | 42488th |
| Primes | 54092nd | 54187th |
| Safe primes | 3124th | |
| Sophie germain primes | 5499th | 5509th |
| Roman numberals | ||
| Base 2 | 101000101101010011112 | 101000110010010100112 |
| Base 3 | 10202122200123 | 10202211222023 |
| Base 4 | 22023110334 | 22030211034 |
| Base 5 | 1323203145 | 1323404335 |
| Base 6 | 221434356 | 221534156 |
| Base 7 | 54453267 | 54521427 |
| Base 8 | 24265178 | 24311238 |
| Base 9 | 12258059 | 12275829 |
| Base 10 | 66695910 | 66824310 |
| Base 11 | 41610711 | 41707411 |
| Base 12 | 281b7b12 | 28286b12 |
| Base 13 | 1a476713 | 1a521413 |
| Base 14 | 1350bd14 | 13575914 |
| Base 15 | d293e15 | d2ee815 |
| Base 16 | a2d4f16 | a325316 |