Compare 39998 vs 40009
| Property | 39998 | 40009 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 28571 | 400091 |
| Prime factorization | 2 × 7 × 2857 | 40009 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 2857, 5714, 19999, 39998 | 1, 40009 |
| Number of properties | 0 | 7 |
| Additive primes | 1881st | |
| Chen primes | 1976th | |
| Cousin primes (1st member) | 582nd | |
| Happy primes | 688th | |
| Isolated primes | 3023rd | |
| Primes | 4204th | |
| Pythagorean primes | 2086th | |
| Roman numberals | ||
| Base 2 | 10011100001111102 | 10011100010010012 |
| Base 3 | 20002121023 | 20002122113 |
| Base 4 | 213003324 | 213010214 |
| Base 5 | 22344435 | 22400145 |
| Base 6 | 5051026 | 5051216 |
| Base 7 | 2244207 | 2244347 |
| Base 8 | 1160768 | 1161118 |
| Base 9 | 607729 | 607849 |
| Base 10 | 3999810 | 4000910 |
| Base 11 | 2806211 | 2807211 |
| Base 12 | 1b19212 | 1b1a112 |
| Base 13 | 1528a13 | 1529813 |
| Base 14 | 1081014 | 1081b14 |
| Base 15 | bcb815 | bcc415 |
| Base 16 | 9c3e16 | 9c4916 |