Compare 11981 vs 12421
| Property | 11981 | 12421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 119811 | 124211 |
| Prime factorization | 11981 | 12421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 11981 | 1, 12421 |
| Number of properties | 7 | 7 |
| Chen primes | 735th | |
| Emirps | 325th | |
| Harmonic primes | 534th | |
| Isolated primes | 968th | 1000th |
| Long primes | 561st | 573rd |
| Palindromic primes | 26th | |
| Primes | 1437th | 1483rd |
| Pythagorean primes | 707th | 733rd |
| Sexy primes (1st member) | 462nd | |
| Super primes | 235th | |
| Roman numberals | ||
| Base 2 | 101110110011012 | 110000100001012 |
| Base 3 | 1211022023 | 1220010013 |
| Base 4 | 23230314 | 30020114 |
| Base 5 | 3404115 | 3441415 |
| Base 6 | 1312456 | 1333016 |
| Base 7 | 466347 | 511337 |
| Base 8 | 273158 | 302058 |
| Base 9 | 173829 | 180319 |
| Base 10 | 1198110 | 1242110 |
| Base 11 | 900211 | 937211 |
| Base 12 | 6b2512 | 723112 |
| Base 13 | 55b813 | 586613 |
| Base 14 | 451b14 | 475314 |
| Base 15 | 383b15 | 3a3115 |
| Base 16 | 2ecd16 | 308516 |