Compare 21061 vs 21073
| Property | 21061 | 21073 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 210611 | 131 × 16211 |
| Prime factorization | 21061 | 13 × 1621 |
| Divisors count | 2 | 4 |
| Divisors | 1, 21061 | 1, 13, 1621, 21073 |
| Number of properties | 4 | 1 |
| Primes | 2369th | |
| Pythagorean primes | 1176th | |
| Semiprimes | 5345th | |
| Sexy primes (1st member) | 717th | |
| Twin primes (2nd member) | 360th | |
| Roman numberals | ||
| Base 2 | 1010010010001012 | 1010010010100012 |
| Base 3 | 10012200013 | 10012201113 |
| Base 4 | 110210114 | 110211014 |
| Base 5 | 11332215 | 11332435 |
| Base 6 | 2413016 | 2413216 |
| Base 7 | 1152557 | 1153037 |
| Base 8 | 511058 | 511218 |
| Base 9 | 318019 | 318149 |
| Base 10 | 2106110 | 2107310 |
| Base 11 | 1490711 | 1491811 |
| Base 12 | 1023112 | 1024112 |
| Base 13 | 978113 | 979013 |
| Base 14 | 796514 | 797314 |
| Base 15 | 639115 | 639d15 |
| Base 16 | 524516 | 525116 |