Compare 9661 vs 9663
| Property | 9661 | 9663 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 96611 | 31 × 32211 |
| Prime factorization | 9661 | 3 × 3221 |
| Divisors count | 2 | 4 |
| Divisors | 1, 9661 | 1, 3, 3221, 9663 |
| Number of properties | 9 | 1 |
| Centered square primes | 25th | |
| Chen primes | 618th | |
| Emirps | 224th | |
| Harmonic primes | 434th | |
| Isolated primes | 794th | |
| Lucky primes | 207th | |
| Primes | 1193rd | |
| Pythagorean primes | 592nd | |
| Semiprimes | 2542nd | |
| Super primes | 196th | |
| Roman numberals | ||
| Base 2 | 100101101111012 | 100101101111112 |
| Base 3 | 1110202113 | 1110202203 |
| Base 4 | 21123314 | 21123334 |
| Base 5 | 3021215 | 3021235 |
| Base 6 | 1124216 | 1124236 |
| Base 7 | 401117 | 401137 |
| Base 8 | 226758 | 226778 |
| Base 9 | 142249 | 142269 |
| Base 10 | 966110 | 966310 |
| Base 11 | 729311 | 729511 |
| Base 12 | 571112 | 571312 |
| Base 13 | 452213 | 452413 |
| Base 14 | 374114 | 374314 |
| Base 15 | 2ce115 | 2ce315 |
| Base 16 | 25bd16 | 25bf16 |