Compare 81199 vs 81201
| Property | 81199 | 81201 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 811991 | 31 × 270671 |
| Prime factorization | 81199 | 3 × 27067 |
| Divisors count | 2 | 4 |
| Divisors | 1, 81199 | 1, 3, 27067, 81201 |
| Number of properties | 6 | 1 |
| Chen primes | 3595th | |
| Cousin primes (1st member) | 1027th | |
| Harmonic primes | 2999th | |
| Primes | 7948th | |
| Prime triplets (2nd member) | 430th | |
| Semiprimes | 19183rd | |
| Twin primes (2nd member) | 1024th | |
| Roman numberals | ||
| Base 2 | 100111101001011112 | 100111101001100012 |
| Base 3 | 110101011013 | 110101011103 |
| Base 4 | 1033102334 | 1033103014 |
| Base 5 | 100442445 | 100443015 |
| Base 6 | 14235316 | 14235336 |
| Base 7 | 4555067 | 4555117 |
| Base 8 | 2364578 | 2364618 |
| Base 9 | 1333419 | 1333439 |
| Base 10 | 8119910 | 8120110 |
| Base 11 | 5600811 | 5600a11 |
| Base 12 | 3aba712 | 3aba912 |
| Base 13 | 2ac6113 | 2ac6313 |
| Base 14 | 2183d14 | 2184114 |
| Base 15 | 190d415 | 190d615 |
| Base 16 | 13d2f16 | 13d3116 |