Compare 21066 vs 21067
| Property | 21066 | 21067 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 31 × 35111 | 210671 |
| Prime factorization | 2 × 3 × 3511 | 21067 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 3, 6, 3511, 7022, 10533, 21066 | 1, 21067 |
| Number of properties | 0 | 4 |
| Harmonic primes | 871st | |
| Isolated primes | 1651st | |
| Primes | 2370th | |
| Sexy primes (2nd member) | 717th | |
| Roman numberals | ||
| Base 2 | 1010010010010102 | 1010010010010112 |
| Base 3 | 10012200203 | 10012200213 |
| Base 4 | 110210224 | 110210234 |
| Base 5 | 11332315 | 11332325 |
| Base 6 | 2413106 | 2413116 |
| Base 7 | 1152637 | 1152647 |
| Base 8 | 511128 | 511138 |
| Base 9 | 318069 | 318079 |
| Base 10 | 2106610 | 2106710 |
| Base 11 | 1491111 | 1491211 |
| Base 12 | 1023612 | 1023712 |
| Base 13 | 978613 | 978713 |
| Base 14 | 796a14 | 796b14 |
| Base 15 | 639615 | 639715 |
| Base 16 | 524a16 | 524b16 |