Compare 81017 vs 81021
| Property | 81017 | 81021 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 810171 | 31 × 1131 × 2391 |
| Prime factorization | 81017 | 3 × 113 × 239 |
| Divisors count | 2 | 8 |
| Divisors | 1, 81017 | 1, 3, 113, 239, 339, 717, 27007, 81021 |
| Number of properties | 11 | 0 |
| Additive primes | 3297th | |
| Chen primes | 3585th | |
| Cousin primes (2nd member) | 1023rd | |
| Harmonic primes | 2994th | |
| Long primes | 3012th | |
| Primes | 7928th | |
| Prime triplets (1st member) | 427th | |
| Prime triplets (2nd member) | 426th | |
| Pythagorean primes | 3952nd | |
| Sexy primes (1st member) | 2060th | |
| Twin primes (1st member) | 1021st | |
| Roman numberals | ||
| Base 2 | 100111100011110012 | 100111100011111012 |
| Base 3 | 110100101223 | 110100102103 |
| Base 4 | 1033013214 | 1033013314 |
| Base 5 | 100430325 | 100430415 |
| Base 6 | 14230256 | 14230336 |
| Base 7 | 4551267 | 4551337 |
| Base 8 | 2361718 | 2361758 |
| Base 9 | 1331189 | 1331239 |
| Base 10 | 8101710 | 8102110 |
| Base 11 | 5596211 | 5596611 |
| Base 12 | 3aa7512 | 3aa7912 |
| Base 13 | 2ab5113 | 2ab5513 |
| Base 14 | 2174d14 | 2175314 |
| Base 15 | 1901215 | 1901615 |
| Base 16 | 13c7916 | 13c7d16 |