Compare 28407 vs 28409
| Property | 28407 | 28409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 171 × 5571 | 284091 |
| Prime factorization | 3 × 17 × 557 | 28409 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 17, 51, 557, 1671, 9469, 28407 | 1, 28409 |
| Number of properties | 0 | 6 |
| Additive primes | 1413th | |
| Chen primes | 1504th | |
| Primes | 3091st | |
| Pythagorean primes | 1538th | |
| Sexy primes (2nd member) | 909th | |
| Twin primes (1st member) | 453rd | |
| Roman numberals | ||
| Base 2 | 1101110111101112 | 1101110111110012 |
| Base 3 | 11022220103 | 11022220123 |
| Base 4 | 123233134 | 123233214 |
| Base 5 | 14021125 | 14021145 |
| Base 6 | 3353036 | 3353056 |
| Base 7 | 1455517 | 1455537 |
| Base 8 | 673678 | 673718 |
| Base 9 | 428639 | 428659 |
| Base 10 | 2840710 | 2840910 |
| Base 11 | 1a38511 | 1a38711 |
| Base 12 | 1453312 | 1453512 |
| Base 13 | cc1213 | cc1413 |
| Base 14 | a4d114 | a4d314 |
| Base 15 | 863c15 | 863e15 |
| Base 16 | 6ef716 | 6ef916 |