Compare 17981 vs 17992
| Property | 17981 | 17992 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 179811 | 23 × 131 × 1731 |
| Prime factorization | 17981 | 2 × 2 × 2 × 13 × 173 |
| Divisors count | 2 | 16 |
| Divisors | 1, 17981 | 1, 2, 4, 8, 13, 26, 52, 104, 173, 346, 692, 1384, 2249, 4498, 8996, 17992 |
| Number of properties | 7 | 0 |
| Cousin primes (2nd member) | 322nd | |
| Isolated primes | 1435th | |
| Long primes | 794th | |
| Primes | 2062nd | |
| Pythagorean primes | 1016th | |
| Sexy primes (1st member) | 637th | |
| Sophie germain primes | 299th | |
| Roman numberals | ||
| Base 2 | 1000110001111012 | 1000110010010002 |
| Base 3 | 2201222223 | 2202001013 |
| Base 4 | 101203314 | 101210204 |
| Base 5 | 10334115 | 10334325 |
| Base 6 | 2151256 | 2151446 |
| Base 7 | 1032657 | 1033127 |
| Base 8 | 430758 | 431108 |
| Base 9 | 265889 | 266119 |
| Base 10 | 1798110 | 1799210 |
| Base 11 | 1256711 | 1257711 |
| Base 12 | a4a512 | a4b412 |
| Base 13 | 825213 | 826013 |
| Base 14 | 67a514 | 67b214 |
| Base 15 | 54db15 | 54e715 |
| Base 16 | 463d16 | 464816 |