Compare 39749 vs 40009
| Property | 39749 | 40009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 397491 | 400091 |
| Prime factorization | 39749 | 40009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 39749 | 1, 40009 |
| Number of properties | 9 | 7 |
| Additive primes | 1881st | |
| Chen primes | 1961st | 1976th |
| Cousin primes (1st member) | 582nd | |
| Emirps | 966th | |
| Happy primes | 682nd | 688th |
| Harmonic primes | 1556th | |
| Isolated primes | 3001st | 3023rd |
| Long primes | 1575th | |
| Primes | 4178th | 4204th |
| Pythagorean primes | 2072nd | 2086th |
| Ulam primes | 323rd | |
| Roman numberals | ||
| Base 2 | 10011011010001012 | 10011100010010012 |
| Base 3 | 20001120123 | 20002122113 |
| Base 4 | 212310114 | 213010214 |
| Base 5 | 22324445 | 22400145 |
| Base 6 | 5040056 | 5051216 |
| Base 7 | 2236137 | 2244347 |
| Base 8 | 1155058 | 1161118 |
| Base 9 | 604659 | 607849 |
| Base 10 | 3974910 | 4000910 |
| Base 11 | 2795611 | 2807211 |
| Base 12 | 1b00512 | 1b1a112 |
| Base 13 | 1512813 | 1529813 |
| Base 14 | 106b314 | 1081b14 |
| Base 15 | bb9e15 | bcc415 |
| Base 16 | 9b4516 | 9c4916 |