Compare 20745 vs 20749
| Property | 20745 | 20749 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 32 × 51 × 4611 | 207491 |
| Prime factorization | 3 × 3 × 5 × 461 | 20749 |
| Divisors count | 12 | 2 |
| Divisors | 1, 3, 5, 9, 15, 45, 461, 1383, 2305, 4149, 6915, 20745 | 1, 20749 |
| Number of properties | 0 | 8 |
| Chen primes | 1150th | |
| Cousin primes (1st member) | 355th | |
| Primes | 2337th | |
| Prime triplets (2nd member) | 173rd | |
| Prime triplets (3rd member) | 172nd | |
| Pythagorean primes | 1161st | |
| Sexy primes (2nd member) | 709th | |
| Twin primes (2nd member) | 353rd | |
| Roman numberals | ||
| Base 2 | 1010001000010012 | 1010001000011012 |
| Base 3 | 10011101003 | 10011101113 |
| Base 4 | 110100214 | 110100314 |
| Base 5 | 11304405 | 11304445 |
| Base 6 | 2400136 | 2400216 |
| Base 7 | 1143247 | 1143317 |
| Base 8 | 504118 | 504158 |
| Base 9 | 314109 | 314149 |
| Base 10 | 2074510 | 2074910 |
| Base 11 | 1464a11 | 1465311 |
| Base 12 | 1000912 | 1001112 |
| Base 13 | 959a13 | 95a113 |
| Base 14 | 77bb14 | 77c114 |
| Base 15 | 623015 | 623415 |
| Base 16 | 510916 | 510d16 |