Compare 13399 vs 13721
| Property | 13399 | 13721 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 133991 | 137211 |
| Prime factorization | 13399 | 13721 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13399 | 1, 13721 |
| Number of properties | 3 | 6 |
| Chen primes | 823rd | |
| Harmonic primes | 583rd | |
| Primes | 1589th | 1623rd |
| Pythagorean primes | 805th | |
| Twin primes (1st member) | 255th | |
| Twin primes (2nd member) | 251st | |
| Ulam primes | 114th | 119th |
| Roman numberals | ||
| Base 2 | 110100010101112 | 110101100110012 |
| Base 3 | 2001010213 | 2002110123 |
| Base 4 | 31011134 | 31121214 |
| Base 5 | 4120445 | 4143415 |
| Base 6 | 1420116 | 1433056 |
| Base 7 | 540317 | 550017 |
| Base 8 | 321278 | 326318 |
| Base 9 | 203379 | 207359 |
| Base 10 | 1339910 | 1372110 |
| Base 11 | a08111 | a34411 |
| Base 12 | 790712 | 7b3512 |
| Base 13 | 613913 | 632613 |
| Base 14 | 4c5114 | 500114 |
| Base 15 | 3e8415 | 40eb15 |
| Base 16 | 345716 | 359916 |