Compare 17989 vs 18121
| Property | 17989 | 18121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179891 | 181211 |
| Prime factorization | 17989 | 18121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17989 | 1, 18121 |
| Number of properties | 4 | 7 |
| Additive primes | 975th | |
| Harmonic primes | 746th | 751st |
| Primes | 2064th | 2076th |
| Pythagorean primes | 1017th | 1025th |
| Sexy primes (1st member) | 640th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 315th | 319th |
| Roman numberals | ||
| Base 2 | 1000110010001012 | 1000110110010012 |
| Base 3 | 2202000213 | 2202120113 |
| Base 4 | 101210114 | 101230214 |
| Base 5 | 10334245 | 10344415 |
| Base 6 | 2151416 | 2155216 |
| Base 7 | 1033067 | 1035557 |
| Base 8 | 431058 | 433118 |
| Base 9 | 266079 | 267649 |
| Base 10 | 1798910 | 1812110 |
| Base 11 | 1257411 | 1268411 |
| Base 12 | a4b112 | a5a112 |
| Base 13 | 825a13 | 832c13 |
| Base 14 | 67ad14 | 686514 |
| Base 15 | 54e415 | 558115 |
| Base 16 | 464516 | 46c916 |