Compare 1001387 vs 1001391
| Property | 1001387 | 1001391 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 10013871 | 31 × 5411 × 6171 |
| Prime factorization | 1001387 | 3 × 541 × 617 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1001387 | 1, 3, 541, 617, 1623, 1851, 333797, 1001391 |
| Number of properties | 5 | 0 |
| Chen primes | 29990th | |
| Primes | 78606th | |
| Safe primes | 4329th | |
| Sexy primes (2nd member) | 16402nd | |
| Twin primes (1st member) | 8183rd | |
| Roman numberals | ||
| Base 2 | 111101000111101010112 | 111101000111101011112 |
| Base 3 | 12122121221023 | 12122121221203 |
| Base 4 | 33101322234 | 33101322334 |
| Base 5 | 2240210225 | 2240210315 |
| Base 6 | 332440156 | 332440236 |
| Base 7 | 113403327 | 113403367 |
| Base 8 | 36436538 | 36436578 |
| Base 9 | 17855729 | 17855769 |
| Base 10 | 100138710 | 100139110 |
| Base 11 | 6243a211 | 6243a611 |
| Base 12 | 40360b12 | 40361312 |
| Base 13 | 290a4a13 | 290a5113 |
| Base 14 | 1c0d1914 | 1c0d1d14 |
| Base 15 | 14ba9215 | 14ba9615 |
| Base 16 | f47ab16 | f47af16 |