Compare 12815 vs 12823
| Property | 12815 | 12823 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 3 | 1 | 
| Total factors | 3 | 1 | 
| Prime factorization | 51 × 111 × 2331 | 128231 | 
| Prime factorization | 5 × 11 × 233 | 12823 | 
| Divisors count | 8 | 2 | 
| Divisors | 1, 5, 11, 55, 233, 1165, 2563, 12815 | 1, 12823 | 
| Number of properties | 0 | 6 | 
| Happy primes | 253rd | |
| Harmonic primes | 548th | |
| Long primes | 595th | |
| Primes | 1529th | |
| Sexy primes (1st member) | 489th | |
| Twin primes (2nd member) | 245th | |
| Roman numberals | ||
| Base 2 | 110010000011112 | 110010000101112 | 
| Base 3 | 1221201223 | 1221202213 | 
| Base 4 | 30200334 | 30201134 | 
| Base 5 | 4022305 | 4022435 | 
| Base 6 | 1351556 | 1352116 | 
| Base 7 | 522357 | 522467 | 
| Base 8 | 310178 | 310278 | 
| Base 9 | 185189 | 185279 | 
| Base 10 | 1281510 | 1282310 | 
| Base 11 | 96a011 | 96a811 | 
| Base 12 | 74bb12 | 750712 | 
| Base 13 | 5aaa13 | 5ab513 | 
| Base 14 | 495514 | 495d14 | 
| Base 15 | 3be515 | 3bed15 | 
| Base 16 | 320f16 | 321716 |