Compare 20651 vs 20663
| Property | 20651 | 20663 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 1071 × 1931 | 206631 |
| Prime factorization | 107 × 193 | 20663 |
| Divisors count | 4 | 2 |
| Divisors | 1, 107, 193, 20651 | 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 | 5243rd | |
| Roman numberals | ||
| Base 2 | 1010000101010112 | 1010000101101112 |
| Base 3 | 10010222123 | 10011000223 |
| Base 4 | 110022234 | 110023134 |
| Base 5 | 11301015 | 11301235 |
| Base 6 | 2353356 | 2353556 |
| Base 7 | 1141317 | 1141467 |
| Base 8 | 502538 | 502678 |
| Base 9 | 312859 | 313089 |
| Base 10 | 2065110 | 2066310 |
| Base 11 | 1457411 | 1458511 |
| Base 12 | bb4b12 | bb5b12 |
| Base 13 | 952713 | 953613 |
| Base 14 | 775114 | 775d14 |
| Base 15 | 61bb15 | 61c815 |
| Base 16 | 50ab16 | 50b716 |