Compare 13391 vs 13397
| Property | 13391 | 13397 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 19131 | 133971 |
| Prime factorization | 7 × 1913 | 13397 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 1913, 13391 | 1, 13397 |
| Number of properties | 1 | 6 |
| Additive primes | 766th | |
| Chen primes | 805th | |
| Harmonic primes | 570th | |
| Primes | 1588th | |
| Pythagorean primes | 785th | |
| Semiprimes | 3468th | |
| Twin primes (1st member) | 251st | |
| Roman numberals | ||
| Base 2 | 110100010011112 | 110100010101012 |
| Base 3 | 2001002223 | 2001010123 |
| Base 4 | 31010334 | 31011114 |
| Base 5 | 4120315 | 4120425 |
| Base 6 | 1415556 | 1420056 |
| Base 7 | 540207 | 540267 |
| Base 8 | 321178 | 321258 |
| Base 9 | 203289 | 203359 |
| Base 10 | 1339110 | 1339710 |
| Base 11 | a07411 | a07a11 |
| Base 12 | 78bb12 | 790512 |
| Base 13 | 613113 | 613713 |
| Base 14 | 4c4714 | 4c4d14 |
| Base 15 | 3e7b15 | 3e8215 |
| Base 16 | 344f16 | 345516 |