Compare 12421 vs 12821
| Property | 12421 | 12821 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 124211 | 128211 |
| Prime factorization | 12421 | 12821 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12421 | 1, 12821 |
| Number of properties | 7 | 8 |
| Chen primes | 776th | |
| Harmonic primes | 534th | 547th |
| Isolated primes | 1000th | |
| Long primes | 573rd | 594th |
| Palindromic primes | 26th | 28th |
| Primes | 1483rd | 1528th |
| Pythagorean primes | 733rd | 757th |
| Sophie germain primes | 232nd | |
| Super primes | 235th | |
| Twin primes (1st member) | 245th | |
| Roman numberals | ||
| Base 2 | 110000100001012 | 110010000101012 |
| Base 3 | 1220010013 | 1221202123 |
| Base 4 | 30020114 | 30201114 |
| Base 5 | 3441415 | 4022415 |
| Base 6 | 1333016 | 1352056 |
| Base 7 | 511337 | 522447 |
| Base 8 | 302058 | 310258 |
| Base 9 | 180319 | 185259 |
| Base 10 | 1242110 | 1282110 |
| Base 11 | 937211 | 96a611 |
| Base 12 | 723112 | 750512 |
| Base 13 | 586613 | 5ab313 |
| Base 14 | 475314 | 495b14 |
| Base 15 | 3a3115 | 3beb15 |
| Base 16 | 308516 | 321516 |