Compare 11818 vs 11821
| Property | 11818 | 11821 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 191 × 3111 | 118211 |
| Prime factorization | 2 × 19 × 311 | 11821 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 19, 38, 311, 622, 5909, 11818 | 1, 11821 |
| Number of properties | 0 | 9 |
| Additive primes | 683rd | |
| Harmonic primes | 517th | |
| Isolated primes | 954th | |
| Long primes | 549th | |
| Primes | 1417th | |
| Pythagorean primes | 699th | |
| Sexy primes (1st member) | 454th | |
| Sexy prime quadrupletss (1st member) | 25th | |
| Sexy prime triplets (1st member) | 127th | |
| Roman numberals | ||
| Base 2 | 101110001010102 | 101110001011012 |
| Base 3 | 1210122013 | 1210122113 |
| Base 4 | 23202224 | 23202314 |
| Base 5 | 3342335 | 3342415 |
| Base 6 | 1304146 | 1304216 |
| Base 7 | 463127 | 463157 |
| Base 8 | 270528 | 270558 |
| Base 9 | 171819 | 171849 |
| Base 10 | 1181810 | 1182110 |
| Base 11 | 897411 | 897711 |
| Base 12 | 6a0a12 | 6a1112 |
| Base 13 | 54c113 | 54c413 |
| Base 14 | 444214 | 444514 |
| Base 15 | 377d15 | 378115 |
| Base 16 | 2e2a16 | 2e2d16 |