Compare 66889 vs 66891
| Property | 66889 | 66891 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 668891 | 31 × 111 × 20271 |
| Prime factorization | 66889 | 3 × 11 × 2027 |
| Divisors count | 2 | 8 |
| Divisors | 1, 66889 | 1, 3, 11, 33, 2027, 6081, 22297, 66891 |
| Number of properties | 7 | 0 |
| Additive primes | 2847th | |
| Harmonic primes | 2505th | |
| Isolated primes | 4921st | |
| Primes | 6666th | |
| Pythagorean primes | 3324th | |
| Sexy primes (2nd member) | 1771st | |
| Sexy prime triplets (3rd member) | 399th | |
| Roman numberals | ||
| Base 2 | 100000101010010012 | 100000101010010112 |
| Base 3 | 101012021013 | 101012021103 |
| Base 4 | 1001110214 | 1001110234 |
| Base 5 | 41200245 | 41200315 |
| Base 6 | 12334016 | 12334036 |
| Base 7 | 3660047 | 3660067 |
| Base 8 | 2025118 | 2025138 |
| Base 9 | 1116719 | 1116739 |
| Base 10 | 6688910 | 6689110 |
| Base 11 | 4628911 | 4629011 |
| Base 12 | 3286112 | 3286312 |
| Base 13 | 245a413 | 245a613 |
| Base 14 | 1a53b14 | 1a53d14 |
| Base 15 | 14c4415 | 14c4615 |
| Base 16 | 1054916 | 1054b16 |