Compare 28666 vs 28669
| Property | 28666 | 28669 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 111 × 13031 | 286691 |
| Prime factorization | 2 × 11 × 1303 | 28669 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 11, 22, 1303, 2606, 14333, 28666 | 1, 28669 |
| Number of properties | 0 | 8 |
| Additive primes | 1427th | |
| Harmonic primes | 1168th | |
| Isolated primes | 2211th | |
| Long primes | 1188th | |
| Primes | 3124th | |
| Pythagorean primes | 1554th | |
| Sexy primes (2nd member) | 919th | |
| Sexy prime triplets (3rd member) | 238th | |
| Roman numberals | ||
| Base 2 | 1101111111110102 | 1101111111111012 |
| Base 3 | 11100222013 | 11100222113 |
| Base 4 | 123333224 | 123333314 |
| Base 5 | 14041315 | 14041345 |
| Base 6 | 3404146 | 3404216 |
| Base 7 | 1464017 | 1464047 |
| Base 8 | 677728 | 677758 |
| Base 9 | 432819 | 432849 |
| Base 10 | 2866610 | 2866910 |
| Base 11 | 1a5a011 | 1a5a311 |
| Base 12 | 1470a12 | 1471112 |
| Base 13 | 1008113 | 1008413 |
| Base 14 | a63814 | a63b14 |
| Base 15 | 876115 | 876415 |
| Base 16 | 6ffa16 | 6ffd16 |