Compare 21067 vs 21070
| Property | 21067 | 21070 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 4 | 
| Total factors | 1 | 5 | 
| Prime factorization | 210671 | 21 × 51 × 72 × 431 | 
| Prime factorization | 21067 | 2 × 5 × 7 × 7 × 43 | 
| Divisors count | 2 | 24 | 
| Divisors | 1, 21067 | 1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1505, 2107, 3010, 4214, 10535, 21070 | 
| Number of properties | 4 | 0 | 
| Harmonic primes | 871st | |
| Isolated primes | 1651st | |
| Primes | 2370th | |
| Sexy primes (2nd member) | 717th | |
| Roman numberals | ||
| Base 2 | 1010010010010112 | 1010010010011102 | 
| Base 3 | 10012200213 | 10012201013 | 
| Base 4 | 110210234 | 110210324 | 
| Base 5 | 11332325 | 11332405 | 
| Base 6 | 2413116 | 2413146 | 
| Base 7 | 1152647 | 1153007 | 
| Base 8 | 511138 | 511168 | 
| Base 9 | 318079 | 318119 | 
| Base 10 | 2106710 | 2107010 | 
| Base 11 | 1491211 | 1491511 | 
| Base 12 | 1023712 | 1023a12 | 
| Base 13 | 978713 | 978a13 | 
| Base 14 | 796b14 | 797014 | 
| Base 15 | 639715 | 639a15 | 
| Base 16 | 524b16 | 524e16 |