Compare 280005 vs 280013
| Property | 280005 | 280013 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 31 × 51 × 111 × 16971 | 2800131 |
| Prime factorization | 3 × 5 × 11 × 1697 | 280013 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 5, 11, 15, 33, 55, 165, 1697, 5091, 8485, 18667, 25455, 56001, 93335, 280005 | 1, 280013 |
| Number of properties | 0 | 5 |
| Chen primes | 10056th | |
| Cousin primes (2nd member) | 2812th | |
| Harmonic primes | 9123rd | |
| Isolated primes | 18766th | |
| Primes | 24435th | |
| Roman numberals | ||
| Base 2 | 10001000101110001012 | 10001000101110011012 |
| Base 3 | 1120200021203 | 1120200022123 |
| Base 4 | 10101130114 | 10101130314 |
| Base 5 | 324300105 | 324300235 |
| Base 6 | 100001536 | 100002056 |
| Base 7 | 22442257 | 22442367 |
| Base 8 | 10427058 | 10427158 |
| Base 9 | 4660769 | 4660859 |
| Base 10 | 28000510 | 28001310 |
| Base 11 | 18141011 | 18141811 |
| Base 12 | 11605912 | 11606512 |
| Base 13 | 9a5ab13 | 9a5b613 |
| Base 14 | 7408514 | 7408d14 |
| Base 15 | 57e7015 | 57e7815 |
| Base 16 | 445c516 | 445cd16 |