Compare 9 vs 29
| Property | 9 | 29 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 1 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 32 | 291 |
| Prime factorization | 3 × 3 | 29 |
| Divisors count | 3 | 2 |
| Divisors | 1, 3, 9 | 1, 29 |
| Number of properties | 1 | 14 |
| Additive primes | 7th | |
| Chen primes | 10th | |
| Good primes | 4th | |
| Long primes | 5th | |
| Lucas primes | 5th | |
| Primes | 10th | |
| Pythagorean primes | 4th | |
| Right-truncatable primes | 6th | |
| Semiprimes | 3rd | |
| Sexy primes (2nd member) | 6th | |
| Sexy prime quadrupletss (4th member) | 2nd | |
| Sexy prime triplets (3rd member) | 4th | |
| Solinas primes | 9th | |
| Sophie germain primes | 6th | |
| Twin primes (1st member) | 5th | |
| Roman numberals | IX | XXIX |
| Base 2 | 10012 | 111012 |
| Base 3 | 1003 | 10023 |
| Base 4 | 214 | 1314 |
| Base 5 | 145 | 1045 |
| Base 6 | 136 | 456 |
| Base 7 | 127 | 417 |
| Base 8 | 118 | 358 |
| Base 9 | 109 | 329 |
| Base 10 | 910 | 2910 |
| Base 11 | 911 | 2711 |
| Base 12 | 912 | 2512 |
| Base 13 | 913 | 2313 |
| Base 14 | 914 | 2114 |
| Base 15 | 915 | 1e15 |
| Base 16 | 916 | 1d16 |