Compare 21061 vs 21139
| Property | 21061 | 21139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 210611 | 211391 |
| Prime factorization | 21061 | 21139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21061 | 1, 21139 |
| Number of properties | 4 | 5 |
| Cousin primes (1st member) | 360th | |
| Good primes | 266th | |
| Isolated primes | 1656th | |
| Lucky primes | 385th | |
| Primes | 2369th | 2375th |
| Pythagorean primes | 1176th | |
| Sexy primes (1st member) | 717th | |
| Twin primes (2nd member) | 360th | |
| Roman numberals | ||
| Base 2 | 1010010010001012 | 1010010100100112 |
| Base 3 | 10012200013 | 10012222213 |
| Base 4 | 110210114 | 110221034 |
| Base 5 | 11332215 | 11340245 |
| Base 6 | 2413016 | 2415116 |
| Base 7 | 1152557 | 1154267 |
| Base 8 | 511058 | 512238 |
| Base 9 | 318019 | 318879 |
| Base 10 | 2106110 | 2113910 |
| Base 11 | 1490711 | 1497811 |
| Base 12 | 1023112 | 1029712 |
| Base 13 | 978113 | 981113 |
| Base 14 | 796514 | 79bd14 |
| Base 15 | 639115 | 63e415 |
| Base 16 | 524516 | 529316 |