Compare 20743 vs 21139
| Property | 20743 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207431 | 211391 |
| Prime factorization | 20743 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20743 | 1, 21139 |
| Number of properties | 7 | 5 |
| Cousin primes (1st member) | 354th | 360th |
| Good primes | 261st | 266th |
| Isolated primes | 1632nd | 1656th |
| Long primes | 887th | |
| Lucky primes | 385th | |
| Primes | 2335th | 2375th |
| Prime triplets (1st member) | 172nd | |
| Sexy primes (1st member) | 709th | |
| Roman numberals | ||
| Base 2 | 1010001000001112 | 1010010100100112 |
| Base 3 | 10011100213 | 10012222213 |
| Base 4 | 110100134 | 110221034 |
| Base 5 | 11304335 | 11340245 |
| Base 6 | 2400116 | 2415116 |
| Base 7 | 1143227 | 1154267 |
| Base 8 | 504078 | 512238 |
| Base 9 | 314079 | 318879 |
| Base 10 | 2074310 | 2113910 |
| Base 11 | 1464811 | 1497811 |
| Base 12 | 1000712 | 1029712 |
| Base 13 | 959813 | 981113 |
| Base 14 | 77b914 | 79bd14 |
| Base 15 | 622d15 | 63e415 |
| Base 16 | 510716 | 529316 |