Compare 13397 vs 13721
| Property | 13397 | 13721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 133971 | 137211 |
| Prime factorization | 13397 | 13721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13397 | 1, 13721 |
| Number of properties | 6 | 6 |
| Additive primes | 766th | |
| Chen primes | 805th | 823rd |
| Harmonic primes | 570th | 583rd |
| Primes | 1588th | 1623rd |
| Pythagorean primes | 785th | 805th |
| Twin primes (1st member) | 251st | 255th |
| Ulam primes | 119th | |
| Roman numberals | ||
| Base 2 | 110100010101012 | 110101100110012 |
| Base 3 | 2001010123 | 2002110123 |
| Base 4 | 31011114 | 31121214 |
| Base 5 | 4120425 | 4143415 |
| Base 6 | 1420056 | 1433056 |
| Base 7 | 540267 | 550017 |
| Base 8 | 321258 | 326318 |
| Base 9 | 203359 | 207359 |
| Base 10 | 1339710 | 1372110 |
| Base 11 | a07a11 | a34411 |
| Base 12 | 790512 | 7b3512 |
| Base 13 | 613713 | 632613 |
| Base 14 | 4c4d14 | 500114 |
| Base 15 | 3e8215 | 40eb15 |
| Base 16 | 345516 | 359916 |