Compare 280409 vs 280419
| Property | 280409 | 280419 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2804091 | 31 × 2111 × 4431 |
| Prime factorization | 280409 | 3 × 211 × 443 |
| Divisors count | 2 | 8 |
| Divisors | 1, 280409 | 1, 3, 211, 443, 633, 1329, 93473, 280419 |
| 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 | 10001000111011000112 |
| Base 3 | 1120201221123 | 1120201222203 |
| Base 4 | 10101311214 | 10101312034 |
| Base 5 | 324331145 | 324331345 |
| Base 6 | 100021056 | 100021236 |
| Base 7 | 22453437 | 22453567 |
| Base 8 | 10435318 | 10435438 |
| Base 9 | 4665759 | 4665869 |
| Base 10 | 28040910 | 28041910 |
| Base 11 | 18174811 | 18175711 |
| Base 12 | 11633512 | 11634312 |
| Base 13 | 9a82c13 | 9a83913 |
| Base 14 | 7429314 | 7429d14 |
| Base 15 | 5813e15 | 5814915 |
| Base 16 | 4475916 | 4476316 |