Compare 166613 vs 166621
| Property | 166613 | 166621 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1666131 | 71 × 131 × 18311 |
| Prime factorization | 166613 | 7 × 13 × 1831 |
| Divisors count | 2 | 8 |
| Divisors | 1, 166613 | 1, 7, 13, 91, 1831, 12817, 23803, 166621 |
| Number of properties | 8 | 0 |
| Additive primes | 6227th | |
| Cousin primes (2nd member) | 1835th | |
| Emirps | 3376th | |
| Isolated primes | 11509th | |
| Primes | 15220th | |
| Pythagorean primes | 7591st | |
| Sexy primes (1st member) | 3683rd | |
| Sophie germain primes | 1771st | |
| Roman numberals | ||
| Base 2 | 1010001010110101012 | 1010001010110111012 |
| Base 3 | 221101122123 | 221101200113 |
| Base 4 | 2202231114 | 2202231314 |
| Base 5 | 203124235 | 203124415 |
| Base 6 | 33232056 | 33232216 |
| Base 7 | 12625167 | 12625307 |
| Base 8 | 5053258 | 5053358 |
| Base 9 | 2734859 | 2735049 |
| Base 10 | 16661310 | 16662110 |
| Base 11 | 1041a711 | 10420411 |
| Base 12 | 8050512 | 8051112 |
| Base 13 | 5aab513 | 5aac013 |
| Base 14 | 44a0d14 | 44a1714 |
| Base 15 | 3457815 | 3458115 |
| Base 16 | 28ad516 | 28add16 |