Compare 28918 vs 28921
| Property | 28918 | 28921 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 191 × 7611 | 289211 |
| Prime factorization | 2 × 19 × 761 | 28921 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 19, 38, 761, 1522, 14459, 28918 | 1, 28921 |
| Number of properties | 0 | 6 |
| Isolated primes | 2233rd | |
| Lucky primes | 489th | |
| Primes | 3148th | |
| Pythagorean primes | 1565th | |
| Sexy primes (1st member) | 925th | |
| Sexy prime triplets (1st member) | 239th | |
| Roman numberals | ||
| Base 2 | 1110000111101102 | 1110000111110012 |
| Base 3 | 11102000013 | 11102000113 |
| Base 4 | 130033124 | 130033214 |
| Base 5 | 14111335 | 14111415 |
| Base 6 | 3415146 | 3415216 |
| Base 7 | 1502117 | 1502147 |
| Base 8 | 703668 | 703718 |
| Base 9 | 436019 | 436049 |
| Base 10 | 2891810 | 2892110 |
| Base 11 | 1a7aa11 | 1a80211 |
| Base 12 | 1489a12 | 148a112 |
| Base 13 | 1021613 | 1021913 |
| Base 14 | a77814 | a77b14 |
| Base 15 | 887d15 | 888115 |
| Base 16 | 70f616 | 70f916 |