Compare 13921 vs 13997
| Property | 13921 | 13997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 139211 | 139971 |
| Prime factorization | 13921 | 13997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13921 | 1, 13997 |
| Number of properties | 4 | 5 |
| Additive primes | 791st | |
| Chen primes | 839th | |
| Harmonic primes | 594th | |
| Isolated primes | 1129th | |
| Primes | 1646th | 1651st |
| Pythagorean primes | 816th | 818th |
| Twin primes (1st member) | 261st | |
| Roman numberals | ||
| Base 2 | 110110011000012 | 110110101011012 |
| Base 3 | 2010021213 | 2010121023 |
| Base 4 | 31212014 | 31222314 |
| Base 5 | 4211415 | 4214425 |
| Base 6 | 1442416 | 1444456 |
| Base 7 | 554057 | 555447 |
| Base 8 | 331418 | 332558 |
| Base 9 | 210779 | 211729 |
| Base 10 | 1392110 | 1399710 |
| Base 11 | a50611 | a57511 |
| Base 12 | 808112 | 812512 |
| Base 13 | 644b13 | 64a913 |
| Base 14 | 510514 | 515b14 |
| Base 15 | 41d115 | 423215 |
| Base 16 | 366116 | 36ad16 |