Compare 16561 vs 66161
| Property | 16561 | 66161 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 165611 | 661611 |
| Prime factorization | 16561 | 66161 |
| Divisors count | 2 | 2 |
| Divisors | 1, 16561 | 1, 66161 |
| Number of properties | 9 | 6 |
| Additive primes | 913th | |
| Chen primes | 966th | 3025th |
| Harmonic primes | 2482nd | |
| Isolated primes | 1336th | 4867th |
| Palindromic primes | 38th | |
| Primes | 1917th | 6604th |
| Pythagorean primes | 951st | 3288th |
| Quartan primes | 20th | 28th |
| Sexy primes (1st member) | 600th | |
| Sexy prime triplets (1st member) | 169th | |
| Roman numberals | ||
| Base 2 | 1000000101100012 | 100000010011100012 |
| Base 3 | 2112011013 | 101002021023 |
| Base 4 | 100023014 | 1000213014 |
| Base 5 | 10122215 | 41041215 |
| Base 6 | 2044016 | 12301456 |
| Base 7 | 661667 | 3636147 |
| Base 8 | 402618 | 2011618 |
| Base 9 | 246419 | 1106729 |
| Base 10 | 1656110 | 6616110 |
| Base 11 | 1149611 | 4578711 |
| Base 12 | 970112 | 3235512 |
| Base 13 | 76cc13 | 2416413 |
| Base 14 | 606d14 | 1a17b14 |
| Base 15 | 4d9115 | 1490b15 |
| Base 16 | 40b116 | 1027116 |