Compare 81199 vs 81211
| Property | 81199 | 81211 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 811991 | 131 × 62471 |
| Prime factorization | 81199 | 13 × 6247 |
| Divisors count | 2 | 4 |
| Divisors | 1, 81199 | 1, 13, 6247, 81211 |
| Number of properties | 6 | 1 |
| Chen primes | 3595th | |
| Cousin primes (1st member) | 1027th | |
| Harmonic primes | 2999th | |
| Primes | 7948th | |
| Prime triplets (2nd member) | 430th | |
| Semiprimes | 19184th | |
| Twin primes (2nd member) | 1024th | |
| Roman numberals | ||
| Base 2 | 100111101001011112 | 100111101001110112 |
| Base 3 | 110101011013 | 110101012113 |
| Base 4 | 1033102334 | 1033103234 |
| Base 5 | 100442445 | 100443215 |
| Base 6 | 14235316 | 14235516 |
| Base 7 | 4555067 | 4555247 |
| Base 8 | 2364578 | 2364738 |
| Base 9 | 1333419 | 1333549 |
| Base 10 | 8119910 | 8121110 |
| Base 11 | 5600811 | 5601911 |
| Base 12 | 3aba712 | 3abb712 |
| Base 13 | 2ac6113 | 2ac7013 |
| Base 14 | 2183d14 | 2184b14 |
| Base 15 | 190d415 | 190e115 |
| Base 16 | 13d2f16 | 13d3b16 |