Compare 66886 vs 66889
| Property | 66886 | 66889 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 531 × 6311 | 668891 |
| Prime factorization | 2 × 53 × 631 | 66889 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 53, 106, 631, 1262, 33443, 66886 | 1, 66889 |
| Number of properties | 0 | 7 |
| 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 | 100000101010001102 | 100000101010010012 |
| Base 3 | 101012020213 | 101012021013 |
| Base 4 | 1001110124 | 1001110214 |
| Base 5 | 41200215 | 41200245 |
| Base 6 | 12333546 | 12334016 |
| Base 7 | 3660017 | 3660047 |
| Base 8 | 2025068 | 2025118 |
| Base 9 | 1116679 | 1116719 |
| Base 10 | 6688610 | 6688910 |
| Base 11 | 4628611 | 4628911 |
| Base 12 | 3285a12 | 3286112 |
| Base 13 | 245a113 | 245a413 |
| Base 14 | 1a53814 | 1a53b14 |
| Base 15 | 14c4115 | 14c4415 |
| Base 16 | 1054616 | 1054916 |