Compare 207139 vs 208889
| Property | 207139 | 208889 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 2071391 | 2088891 |
| Prime factorization | 207139 | 208889 |
| Divisors count | 2 | 2 |
| Divisors | 1, 207139 | 1, 208889 |
| Number of properties | 4 | 6 |
| Chen primes | 7815th | |
| Harmonic primes | 7004th | |
| Isolated primes | 14120th | |
| Long primes | 6951st | |
| Primes | 18559th | 18709th |
| Pythagorean primes | 9344th | |
| Twin primes (1st member) | 2241st | |
| Ulam primes | 1335th | 1345th |
| Roman numberals | ||
| Base 2 | 1100101001001000112 | 1100101111111110012 |
| Base 3 | 1011120102113 | 1011211121223 |
| Base 4 | 3022102034 | 3023333214 |
| Base 5 | 231120245 | 231410245 |
| Base 6 | 42345516 | 42510256 |
| Base 7 | 15216227 | 15300027 |
| Base 8 | 6244438 | 6277718 |
| Base 9 | 3451249 | 3474789 |
| Base 10 | 20713910 | 20888910 |
| Base 11 | 13169911 | 132a3a11 |
| Base 12 | 9ba5712 | a0a7512 |
| Base 13 | 7338a13 | 7410513 |
| Base 14 | 556b914 | 561a914 |
| Base 15 | 4159415 | 41d5e15 |
| Base 16 | 3292316 | 32ff916 |