Compare 665993 vs 666959
| Property | 665993 | 666959 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6659931 | 6669591 |
| Prime factorization | 665993 | 666959 |
| Divisors count | 2 | 2 |
| Divisors | 1, 665993 | 1, 666959 |
| Number of properties | 3 | 6 |
| Additive primes | 21114th | |
| Chen primes | 21146th | |
| Isolated primes | 42361st | 42415th |
| Primes | 54022nd | 54092nd |
| Safe primes | 3124th | |
| Sophie germain primes | 5495th | 5499th |
| Roman numberals | ||
| Base 2 | 101000101001100010012 | 101000101101010011112 |
| Base 3 | 10202111201023 | 10202122200123 |
| Base 4 | 22022120214 | 22023110334 |
| Base 5 | 1323024335 | 1323203145 |
| Base 6 | 221351456 | 221434356 |
| Base 7 | 54424467 | 54453267 |
| Base 8 | 24246118 | 24265178 |
| Base 9 | 12245129 | 12258059 |
| Base 10 | 66599310 | 66695910 |
| Base 11 | 41540911 | 41610711 |
| Base 12 | 2814b512 | 281b7b12 |
| Base 13 | 1a41a313 | 1a476713 |
| Base 14 | 1349cd14 | 1350bd14 |
| Base 15 | d24e815 | d293e15 |
| Base 16 | a298916 | a2d4f16 |