Compare 210190 vs 210191
| Property | 210190 | 210191 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 51 × 210191 | 2101911 |
| Prime factorization | 2 × 5 × 21019 | 210191 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 5, 10, 21019, 42038, 105095, 210190 | 1, 210191 |
| Number of properties | 0 | 7 |
| Chen primes | 7857th | |
| Cousin primes (2nd member) | 2231st | |
| Harmonic primes | 7051st | |
| Primes | 18826th | |
| Prime triplets (2nd member) | 875th | |
| Sophie germain primes | 2139th | |
| Twin primes (1st member) | 2254th | |
| Roman numberals | ||
| Base 2 | 1100110101000011102 | 1100110101000011112 |
| Base 3 | 1012000222113 | 1012000222123 |
| Base 4 | 3031100324 | 3031100334 |
| Base 5 | 232112305 | 232112315 |
| Base 6 | 43010346 | 43010356 |
| Base 7 | 15335417 | 15335427 |
| Base 8 | 6324168 | 6324178 |
| Base 9 | 3502849 | 3502859 |
| Base 10 | 21019010 | 21019110 |
| Base 11 | 133a1211 | 133a1311 |
| Base 12 | a177a12 | a177b12 |
| Base 13 | 7489613 | 7489713 |
| Base 14 | 5685814 | 5685914 |
| Base 15 | 4242a15 | 4242b15 |
| Base 16 | 3350e16 | 3350f16 |