Compare 212981 vs 213287
| Property | 212981 | 213287 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2129811 | 2132871 |
| Prime factorization | 212981 | 213287 |
| Divisors count | 2 | 2 |
| Divisors | 1, 212981 | 1, 213287 |
| Number of properties | 7 | 7 |
| Additive primes | 7692nd | 7711th |
| Chen primes | 7954th | 7964th |
| Harmonic primes | 7144th | |
| Isolated primes | 14495th | |
| Long primes | 7117th | 7132nd |
| Primes | 19044th | 19072nd |
| Pythagorean primes | 9509th | |
| Sexy primes (1st member) | 4518th | |
| Sexy primes (2nd member) | 4526th | |
| Twin primes (1st member) | 2277th | |
| Roman numberals | ||
| Base 2 | 1100111111111101012 | 1101000001001001112 |
| Base 3 | 1012110110123 | 1012111201123 |
| Base 4 | 3033333114 | 3100102134 |
| Base 5 | 233034115 | 233111225 |
| Base 6 | 43220056 | 43232356 |
| Base 7 | 15446367 | 15455547 |
| Base 8 | 6377658 | 6404478 |
| Base 9 | 3541359 | 3545159 |
| Base 10 | 21298110 | 21328710 |
| Base 11 | 13601a11 | 13627811 |
| Base 12 | a330512 | a351b12 |
| Base 13 | 75c3213 | 7610913 |
| Base 14 | 5788d14 | 57a2b14 |
| Base 15 | 4318b15 | 432e215 |
| Base 16 | 33ff516 | 3412716 |