Compare 17921 vs 18049
| Property | 17921 | 18049 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179211 | 180491 |
| Prime factorization | 17921 | 18049 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17921 | 1, 18049 |
| Number of properties | 5 | 9 |
| Chen primes | 1021st | |
| Harmonic primes | 748th | |
| Lucky primes | 338th | |
| Primes | 2054th | 2069th |
| Prime quadruplets (4th member) | 17th | |
| Prime triplets (3rd member) | 156th | |
| Proth primes | 51st | |
| Pythagorean primes | 1012th | 1020th |
| Sexy primes (2nd member) | 639th | |
| Super primes | 312th | |
| Twin primes (1st member) | 313th | |
| Twin primes (2nd member) | 317th | |
| Roman numberals | ||
| Base 2 | 1000110000000012 | 1000110100000012 |
| Base 3 | 2201202023 | 2202021113 |
| Base 4 | 101200014 | 101220014 |
| Base 5 | 10331415 | 10341445 |
| Base 6 | 2145456 | 2153216 |
| Base 7 | 1031517 | 1034237 |
| Base 8 | 430018 | 432018 |
| Base 9 | 265229 | 266749 |
| Base 10 | 1792110 | 1804910 |
| Base 11 | 1251211 | 1261911 |
| Base 12 | a45512 | a54112 |
| Base 13 | 820713 | 82a513 |
| Base 14 | 676114 | 681314 |
| Base 15 | 549b15 | 553415 |
| Base 16 | 460116 | 468116 |