Compare 20505 vs 20507
| Property | 20505 | 20507 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 13671 | 205071 |
| Prime factorization | 3 × 5 × 1367 | 20507 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 1367, 4101, 6835, 20505 | 1, 20507 |
| Number of properties | 0 | 4 |
| Chen primes | 1139th | |
| Primes | 2314th | |
| Safe primes | 194th | |
| Twin primes (1st member) | 349th | |
| Roman numberals | ||
| Base 2 | 1010000000110012 | 1010000000110112 |
| Base 3 | 10010101103 | 10010101123 |
| Base 4 | 110001214 | 110001234 |
| Base 5 | 11240105 | 11240125 |
| Base 6 | 2345336 | 2345356 |
| Base 7 | 1135327 | 1135347 |
| Base 8 | 500318 | 500338 |
| Base 9 | 311139 | 311159 |
| Base 10 | 2050510 | 2050710 |
| Base 11 | 1445111 | 1445311 |
| Base 12 | ba4912 | ba4b12 |
| Base 13 | 944413 | 944613 |
| Base 14 | 768914 | 768b14 |
| Base 15 | 612015 | 612215 |
| Base 16 | 501916 | 501b16 |