Compare 17977 vs 18121
| Property | 17977 | 18121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 179771 | 181211 |
| Prime factorization | 17977 | 18121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 17977 | 1, 18121 |
| Number of properties | 8 | 7 |
| Additive primes | 971st | 975th |
| Cousin primes (1st member) | 322nd | |
| Harmonic primes | 745th | 751st |
| Isolated primes | 1434th | |
| Lucky primes | 336th | |
| Primes | 2061st | 2076th |
| Pythagorean primes | 1015th | 1025th |
| Sexy primes (1st member) | 640th | |
| Sexy primes (2nd member) | 636th | |
| Sexy prime triplets (1st member) | 178th | |
| Twin primes (2nd member) | 319th | |
| Roman numberals | ||
| Base 2 | 1000110001110012 | 1000110110010012 |
| Base 3 | 2201222113 | 2202120113 |
| Base 4 | 101203214 | 101230214 |
| Base 5 | 10334025 | 10344415 |
| Base 6 | 2151216 | 2155216 |
| Base 7 | 1032617 | 1035557 |
| Base 8 | 430718 | 433118 |
| Base 9 | 265849 | 267649 |
| Base 10 | 1797710 | 1812110 |
| Base 11 | 1256311 | 1268411 |
| Base 12 | a4a112 | a5a112 |
| Base 13 | 824b13 | 832c13 |
| Base 14 | 67a114 | 686514 |
| Base 15 | 54d715 | 558115 |
| Base 16 | 463916 | 46c916 |