Compare 280007 vs 280013
| Property | 280007 | 280013 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 71 × 131 × 171 × 1811 | 2800131 |
| Prime factorization | 7 × 13 × 17 × 181 | 280013 |
| Divisors count | 16 | 2 |
| Divisors | 1, 7, 13, 17, 91, 119, 181, 221, 1267, 1547, 2353, 3077, 16471, 21539, 40001, 280007 | 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 | 10001000101110001112 | 10001000101110011012 |
| Base 3 | 1120200021223 | 1120200022123 |
| Base 4 | 10101130134 | 10101130314 |
| Base 5 | 324300125 | 324300235 |
| Base 6 | 100001556 | 100002056 |
| Base 7 | 22442307 | 22442367 |
| Base 8 | 10427078 | 10427158 |
| Base 9 | 4660789 | 4660859 |
| Base 10 | 28000710 | 28001310 |
| Base 11 | 18141211 | 18141811 |
| Base 12 | 11605b12 | 11606512 |
| Base 13 | 9a5b013 | 9a5b613 |
| Base 14 | 7408714 | 7408d14 |
| Base 15 | 57e7215 | 57e7815 |
| Base 16 | 445c716 | 445cd16 |