Compare 20653 vs 20663
| Property | 20653 | 20663 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 191 × 10871 | 206631 |
| Prime factorization | 19 × 1087 | 20663 |
| Divisors count | 4 | 2 |
| Divisors | 1, 19, 1087, 20653 | 1, 20663 |
| Number of properties | 1 | 7 |
| Additive primes | 1081st | |
| Chen primes | 1144th | |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | |
| Long primes | 886th | |
| Primes | 2328th | |
| Safe primes | 197th | |
| Semiprimes | 5244th | |
| Roman numberals | ||
| Base 2 | 1010000101011012 | 1010000101101112 |
| Base 3 | 10010222213 | 10011000223 |
| Base 4 | 110022314 | 110023134 |
| Base 5 | 11301035 | 11301235 |
| Base 6 | 2353416 | 2353556 |
| Base 7 | 1141337 | 1141467 |
| Base 8 | 502558 | 502678 |
| Base 9 | 312879 | 313089 |
| Base 10 | 2065310 | 2066310 |
| Base 11 | 1457611 | 1458511 |
| Base 12 | bb5112 | bb5b12 |
| Base 13 | 952913 | 953613 |
| Base 14 | 775314 | 775d14 |
| Base 15 | 61bd15 | 61c815 |
| Base 16 | 50ad16 | 50b716 |