Compare 18828 vs 18839
| Property | 18828 | 18839 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 22 × 32 × 5231 | 188391 |
| Prime factorization | 2 × 2 × 3 × 3 × 523 | 18839 |
| Divisors count | 18 | 2 |
| Divisors | 1, 2, 3, 4, 6, 9, 12, 18, 36, 523, 1046, 1569, 2092, 3138, 4707, 6276, 9414, 18828 | 1, 18839 |
| Number of properties | 0 | 7 |
| Additive primes | 1005th | |
| Chen primes | 1062nd | |
| Happy primes | 366th | |
| Harmonic primes | 772nd | |
| Isolated primes | 1498th | |
| Primes | 2147th | |
| Safe primes | 184th | |
| Roman numberals | ||
| Base 2 | 1001001100011002 | 1001001100101112 |
| Base 3 | 2212111003 | 2212112023 |
| Base 4 | 102120304 | 102121134 |
| Base 5 | 11003035 | 11003245 |
| Base 6 | 2231006 | 2231156 |
| Base 7 | 1056157 | 1056327 |
| Base 8 | 446148 | 446278 |
| Base 9 | 277409 | 277529 |
| Base 10 | 1882810 | 1883910 |
| Base 11 | 1316711 | 1317711 |
| Base 12 | aa9012 | aa9b12 |
| Base 13 | 875413 | 876213 |
| Base 14 | 6c0c14 | 6c1914 |
| Base 15 | 58a315 | 58ae15 |
| Base 16 | 498c16 | 499716 |