Compare 12821 vs 13649
| Property | 12821 | 13649 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 128211 | 136491 |
| Prime factorization | 12821 | 13649 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12821 | 1, 13649 |
| Number of properties | 8 | 7 |
| Additive primes | 778th | |
| Chen primes | 776th | |
| Harmonic primes | 547th | 580th |
| Isolated primes | 1112th | |
| Long primes | 594th | |
| Palindromic primes | 28th | |
| Primes | 1528th | 1613th |
| Pythagorean primes | 757th | 799th |
| Sophie germain primes | 232nd | 244th |
| Super primes | 255th | |
| Twin primes (1st member) | 245th | |
| Roman numberals | ||
| Base 2 | 110010000101012 | 110101010100012 |
| Base 3 | 1221202123 | 2002011123 |
| Base 4 | 30201114 | 31111014 |
| Base 5 | 4022415 | 4140445 |
| Base 6 | 1352056 | 1431056 |
| Base 7 | 522447 | 545367 |
| Base 8 | 310258 | 325218 |
| Base 9 | 185259 | 206459 |
| Base 10 | 1282110 | 1364910 |
| Base 11 | 96a611 | a28911 |
| Base 12 | 750512 | 7a9512 |
| Base 13 | 5ab313 | 629c13 |
| Base 14 | 495b14 | 4d8d14 |
| Base 15 | 3beb15 | 409e15 |
| Base 16 | 321516 | 355116 |