Compare 18907 vs 18913
| Property | 18907 | 18913 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 371 × 731 | 189131 |
| Prime factorization | 7 × 37 × 73 | 18913 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 37, 73, 259, 511, 2701, 18907 | 1, 18913 |
| Number of properties | 0 | 11 |
| Cousin primes (1st member) | 335th | |
| Emirps | 591st | |
| Harmonic primes | 776th | |
| Long primes | 825th | |
| Primes | 2152nd | |
| Prime quadruplets (2nd member) | 18th | |
| Prime triplets (1st member) | 162nd | |
| Prime triplets (2nd member) | 161st | |
| Pythagorean primes | 1066th | |
| Sexy primes (1st member) | 659th | |
| Twin primes (2nd member) | 326th | |
| Roman numberals | ||
| Base 2 | 1001001110110112 | 1001001111000012 |
| Base 3 | 2212210213 | 2212211113 |
| Base 4 | 102131234 | 102132014 |
| Base 5 | 11011125 | 11011235 |
| Base 6 | 2233116 | 2233216 |
| Base 7 | 1060607 | 1060667 |
| Base 8 | 447338 | 447418 |
| Base 9 | 278379 | 278449 |
| Base 10 | 1890710 | 1891310 |
| Base 11 | 1322911 | 1323411 |
| Base 12 | ab3712 | ab4112 |
| Base 13 | 87b513 | 87bb13 |
| Base 14 | 6c6714 | 6c6d14 |
| Base 15 | 590715 | 590d15 |
| Base 16 | 49db16 | 49e116 |