Compare 280409 vs 280418
| Property | 280409 | 280418 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2804091 | 21 × 1491 × 9411 |
| Prime factorization | 280409 | 2 × 149 × 941 |
| Divisors count | 2 | 8 |
| Divisors | 1, 280409 | 1, 2, 149, 298, 941, 1882, 140209, 280418 |
| Number of properties | 5 | 0 |
| Additive primes | 9817th | |
| Chen primes | 10067th | |
| Harmonic primes | 9132nd | |
| Primes | 24465th | |
| Twin primes (1st member) | 2838th | |
| Roman numberals | ||
| Base 2 | 10001000111010110012 | 10001000111011000102 |
| Base 3 | 1120201221123 | 1120201222123 |
| Base 4 | 10101311214 | 10101312024 |
| Base 5 | 324331145 | 324331335 |
| Base 6 | 100021056 | 100021226 |
| Base 7 | 22453437 | 22453557 |
| Base 8 | 10435318 | 10435428 |
| Base 9 | 4665759 | 4665859 |
| Base 10 | 28040910 | 28041810 |
| Base 11 | 18174811 | 18175611 |
| Base 12 | 11633512 | 11634212 |
| Base 13 | 9a82c13 | 9a83813 |
| Base 14 | 7429314 | 7429c14 |
| Base 15 | 5813e15 | 5814815 |
| Base 16 | 4475916 | 4476216 |