Compare 1105 vs 1109
| Property | 1105 | 1109 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 3 | 1 | 
| Total factors | 3 | 1 | 
| Prime factorization | 51 × 131 × 171 | 11091 | 
| Prime factorization | 5 × 13 × 17 | 1109 | 
| Divisors count | 8 | 2 | 
| Divisors | 1, 5, 13, 17, 65, 85, 221, 1105 | 1, 1109 | 
| Number of properties | 0 | 11 | 
| Additive primes | 100th | |
| Chen primes | 124th | |
| Emirps | 46th | |
| Harmonic primes | 67th | |
| Isolated primes | 107th | |
| Long primes | 71st | |
| Primes | 186th | |
| Pythagorean primes | 90th | |
| Sexy primes (2nd member) | 81st | |
| Sexy prime quadrupletss (4th member) | 8th | |
| Sexy prime triplets (3rd member) | 30th | |
| Roman numberals | MCV | MCIX | 
| Base 2 | 100010100012 | 100010101012 | 
| Base 3 | 11112213 | 11120023 | 
| Base 4 | 1011014 | 1011114 | 
| Base 5 | 134105 | 134145 | 
| Base 6 | 50416 | 50456 | 
| Base 7 | 31367 | 31437 | 
| Base 8 | 21218 | 21258 | 
| Base 9 | 14579 | 14629 | 
| Base 10 | 110510 | 110910 | 
| Base 11 | 91511 | 91911 | 
| Base 12 | 78112 | 78512 | 
| Base 13 | 67013 | 67413 | 
| Base 14 | 58d14 | 59314 | 
| Base 15 | 4da15 | 4de15 | 
| Base 16 | 45116 | 45516 |