Compare 209818 vs 209819
| Property | 209818 | 209819 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 21 × 72 × 21411 | 2098191 |
| Prime factorization | 2 × 7 × 7 × 2141 | 209819 |
| Divisors count | 12 | 2 |
| Divisors | 1, 2, 7, 14, 49, 98, 2141, 4282, 14987, 29974, 104909, 209818 | 1, 209819 |
| Number of properties | 0 | 6 |
| Additive primes | 7577th | |
| Chen primes | 7849th | |
| Long primes | 7027th | |
| Primes | 18791st | |
| Sexy primes (2nd member) | 4462nd | |
| Twin primes (1st member) | 2252nd | |
| Roman numberals | ||
| Base 2 | 1100110011100110102 | 1100110011100110112 |
| Base 3 | 1011222110013 | 1011222110023 |
| Base 4 | 3030321224 | 3030321234 |
| Base 5 | 232032335 | 232032345 |
| Base 6 | 42552146 | 42552156 |
| Base 7 | 15325007 | 15325017 |
| Base 8 | 6316328 | 6316338 |
| Base 9 | 3487319 | 3487329 |
| Base 10 | 20981810 | 20981910 |
| Base 11 | 13370411 | 13370511 |
| Base 12 | a150a12 | a150b12 |
| Base 13 | 7466b13 | 7466c13 |
| Base 14 | 5667014 | 5667114 |
| Base 15 | 4227d15 | 4227e15 |
| Base 16 | 3339a16 | 3339b16 |