Compare 20749 vs 21139
| Property | 20749 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207491 | 211391 |
| Prime factorization | 20749 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20749 | 1, 21139 |
| Number of properties | 8 | 5 |
| Chen primes | 1150th | |
| Cousin primes (1st member) | 355th | 360th |
| Good primes | 266th | |
| Isolated primes | 1656th | |
| Lucky primes | 385th | |
| Primes | 2337th | 2375th |
| Prime triplets (2nd member) | 173rd | |
| Prime triplets (3rd member) | 172nd | |
| Pythagorean primes | 1161st | |
| Sexy primes (2nd member) | 709th | |
| Twin primes (2nd member) | 353rd | |
| Roman numberals | ||
| Base 2 | 1010001000011012 | 1010010100100112 |
| Base 3 | 10011101113 | 10012222213 |
| Base 4 | 110100314 | 110221034 |
| Base 5 | 11304445 | 11340245 |
| Base 6 | 2400216 | 2415116 |
| Base 7 | 1143317 | 1154267 |
| Base 8 | 504158 | 512238 |
| Base 9 | 314149 | 318879 |
| Base 10 | 2074910 | 2113910 |
| Base 11 | 1465311 | 1497811 |
| Base 12 | 1001112 | 1029712 |
| Base 13 | 95a113 | 981113 |
| Base 14 | 77c114 | 79bd14 |
| Base 15 | 623415 | 63e415 |
| Base 16 | 510d16 | 529316 |