Compare 280407 vs 280409
| Property | 280407 | 280409 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 1511 × 6191 | 2804091 |
| Prime factorization | 3 × 151 × 619 | 280409 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 151, 453, 619, 1857, 93469, 280407 | 1, 280409 |
| Number of properties | 0 | 5 |
| Additive primes | 9817th | |
| Chen primes | 10067th | |
| Harmonic primes | 9132nd | |
| Primes | 24465th | |
| Twin primes (1st member) | 2838th | |
| Roman numberals | ||
| Base 2 | 10001000111010101112 | 10001000111010110012 |
| Base 3 | 1120201221103 | 1120201221123 |
| Base 4 | 10101311134 | 10101311214 |
| Base 5 | 324331125 | 324331145 |
| Base 6 | 100021036 | 100021056 |
| Base 7 | 22453417 | 22453437 |
| Base 8 | 10435278 | 10435318 |
| Base 9 | 4665739 | 4665759 |
| Base 10 | 28040710 | 28040910 |
| Base 11 | 18174611 | 18174811 |
| Base 12 | 11633312 | 11633512 |
| Base 13 | 9a82a13 | 9a82c13 |
| Base 14 | 7429114 | 7429314 |
| Base 15 | 5813c15 | 5813e15 |
| Base 16 | 4475716 | 4475916 |