Compare 20507 vs 20663
| Property | 20507 | 20663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 205071 | 206631 |
| Prime factorization | 20507 | 20663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20507 | 1, 20663 |
| Number of properties | 4 | 7 |
| Additive primes | 1081st | |
| Chen primes | 1139th | 1144th |
| Harmonic primes | 850th | |
| Isolated primes | 1627th | |
| Long primes | 886th | |
| Primes | 2314th | 2328th |
| Safe primes | 194th | 197th |
| Twin primes (1st member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000110112 | 1010000101101112 |
| Base 3 | 10010101123 | 10011000223 |
| Base 4 | 110001234 | 110023134 |
| Base 5 | 11240125 | 11301235 |
| Base 6 | 2345356 | 2353556 |
| Base 7 | 1135347 | 1141467 |
| Base 8 | 500338 | 502678 |
| Base 9 | 311159 | 313089 |
| Base 10 | 2050710 | 2066310 |
| Base 11 | 1445311 | 1458511 |
| Base 12 | ba4b12 | bb5b12 |
| Base 13 | 944613 | 953613 |
| Base 14 | 768b14 | 775d14 |
| Base 15 | 612215 | 61c815 |
| Base 16 | 501b16 | 50b716 |