Compare 211213 vs 211215
| Property | 211213 | 211215 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 2112131 | 31 × 51 × 140811 |
| Prime factorization | 211213 | 3 × 5 × 14081 |
| Divisors count | 2 | 8 |
| Divisors | 1, 211213 | 1, 3, 5, 15, 14081, 42243, 70405, 211215 |
| Number of properties | 6 | 0 |
| Cousin primes (1st member) | 2243rd | |
| Isolated primes | 14384th | |
| Primes | 18909th | |
| Prime triplets (1st member) | 880th | |
| Pythagorean primes | 9440th | |
| Sexy primes (1st member) | 4487th | |
| Roman numberals | ||
| Base 2 | 1100111001000011012 | 1100111001000011112 |
| Base 3 | 1012012012013 | 1012012012103 |
| Base 4 | 3032100314 | 3032100334 |
| Base 5 | 232243235 | 232243305 |
| Base 6 | 43055016 | 43055036 |
| Base 7 | 15365327 | 15365347 |
| Base 8 | 6344158 | 6344178 |
| Base 9 | 3516519 | 3516539 |
| Base 10 | 21121310 | 21121510 |
| Base 11 | 13476211 | 13476411 |
| Base 12 | a229112 | a229312 |
| Base 13 | 751a213 | 751a413 |
| Base 14 | 56d8914 | 56d8b14 |
| Base 15 | 428ad15 | 428b015 |
| Base 16 | 3390d16 | 3390f16 |