Compare 28400 vs 28409
| Property | 28400 | 28409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 52 × 711 | 284091 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 5 × 71 | 28409 |
| Divisors count | 30 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 14200, 28400 | 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 | 1101110111100002 | 1101110111110012 |
| Base 3 | 11022212123 | 11022220123 |
| Base 4 | 123233004 | 123233214 |
| Base 5 | 14021005 | 14021145 |
| Base 6 | 3352526 | 3353056 |
| Base 7 | 1455417 | 1455537 |
| Base 8 | 673608 | 673718 |
| Base 9 | 428559 | 428659 |
| Base 10 | 2840010 | 2840910 |
| Base 11 | 1a37911 | 1a38711 |
| Base 12 | 1452812 | 1453512 |
| Base 13 | cc0813 | cc1413 |
| Base 14 | a4c814 | a4d314 |
| Base 15 | 863515 | 863e15 |
| Base 16 | 6ef016 | 6ef916 |