Compare 12405 vs 12409
| Property | 12405 | 12409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 8271 | 124091 |
| Prime factorization | 3 × 5 × 827 | 12409 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 827, 2481, 4135, 12405 | 1, 12409 |
| Number of properties | 0 | 5 |
| Cousin primes (1st member) | 241st | |
| Isolated primes | 998th | |
| Primes | 1481st | |
| Pythagorean primes | 731st | |
| Super primes | 234th | |
| Roman numberals | ||
| Base 2 | 110000011101012 | 110000011110012 |
| Base 3 | 1220001103 | 1220001213 |
| Base 4 | 30013114 | 30013214 |
| Base 5 | 3441105 | 3441145 |
| Base 6 | 1332336 | 1332416 |
| Base 7 | 511117 | 511157 |
| Base 8 | 301658 | 301718 |
| Base 9 | 180139 | 180179 |
| Base 10 | 1240510 | 1240910 |
| Base 11 | 935811 | 936111 |
| Base 12 | 721912 | 722112 |
| Base 13 | 585313 | 585713 |
| Base 14 | 474114 | 474514 |
| Base 15 | 3a2015 | 3a2415 |
| Base 16 | 307516 | 307916 |