Compare 81197 vs 81201
| Property | 81197 | 81201 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 811971 | 31 × 270671 |
| Prime factorization | 81197 | 3 × 27067 |
| Divisors count | 2 | 4 |
| Divisors | 1, 81197 | 1, 3, 27067, 81201 |
| Number of properties | 7 | 1 |
| Chen primes | 3594th | |
| Harmonic primes | 2998th | |
| Primes | 7947th | |
| Prime triplets (1st member) | 430th | |
| Pythagorean primes | 3961st | |
| Semiprimes | 19183rd | |
| Sexy primes (1st member) | 2066th | |
| Twin primes (1st member) | 1024th | |
| Roman numberals | ||
| Base 2 | 100111101001011012 | 100111101001100012 |
| Base 3 | 110101010223 | 110101011103 |
| Base 4 | 1033102314 | 1033103014 |
| Base 5 | 100442425 | 100443015 |
| Base 6 | 14235256 | 14235336 |
| Base 7 | 4555047 | 4555117 |
| Base 8 | 2364558 | 2364618 |
| Base 9 | 1333389 | 1333439 |
| Base 10 | 8119710 | 8120110 |
| Base 11 | 5600611 | 5600a11 |
| Base 12 | 3aba512 | 3aba912 |
| Base 13 | 2ac5c13 | 2ac6313 |
| Base 14 | 2183b14 | 2184114 |
| Base 15 | 190d215 | 190d615 |
| Base 16 | 13d2d16 | 13d3116 |