Compare 30981 vs 30983
| Property | 30981 | 30983 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 231 × 4491 | 309831 |
| Prime factorization | 3 × 23 × 449 | 30983 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 23, 69, 449, 1347, 10327, 30981 | 1, 30983 |
| Number of properties | 0 | 10 |
| Additive primes | 1511th | |
| Chen primes | 1597th | |
| Emirps | 661st | |
| Harmonic primes | 1242nd | |
| Isolated primes | 2385th | |
| Long primes | 1265th | |
| Primes | 3340th | |
| Sexy primes (2nd member) | 976th | |
| Sexy prime triplets (3rd member) | 249th | |
| Sophie germain primes | 455th | |
| Roman numberals | ||
| Base 2 | 1111001000001012 | 1111001000001112 |
| Base 3 | 11201111103 | 11201111123 |
| Base 4 | 132100114 | 132100134 |
| Base 5 | 14424115 | 14424135 |
| Base 6 | 3552336 | 3552356 |
| Base 7 | 1562167 | 1562217 |
| Base 8 | 744058 | 744078 |
| Base 9 | 464439 | 464459 |
| Base 10 | 3098110 | 3098310 |
| Base 11 | 2130511 | 2130711 |
| Base 12 | 15b1912 | 15b1b12 |
| Base 13 | 1114213 | 1114413 |
| Base 14 | b40d14 | b41114 |
| Base 15 | 92a615 | 92a815 |
| Base 16 | 790516 | 790716 |