Compare 1213 vs 1216
| Property | 1213 | 1216 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 7 |
| Prime factorization | 12131 | 26 × 191 |
| Prime factorization | 1213 | 2 × 2 × 2 × 2 × 2 × 2 × 19 |
| Divisors count | 2 | 14 |
| Divisors | 1, 1213 | 1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216 |
| Number of properties | 7 | 0 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 45th | |
| Emirps | 52nd | |
| Good primes | 49th | |
| Isolated primes | 117th | |
| Primes | 198th | |
| Pythagorean primes | 97th | |
| Roman numberals | MCCXIII | MCCXVI |
| Base 2 | 100101111012 | 100110000002 |
| Base 3 | 11222213 | 12000013 |
| Base 4 | 1023314 | 1030004 |
| Base 5 | 143235 | 143315 |
| Base 6 | 53416 | 53446 |
| Base 7 | 33527 | 33557 |
| Base 8 | 22758 | 23008 |
| Base 9 | 15879 | 16019 |
| Base 10 | 121310 | 121610 |
| Base 11 | a0311 | a0611 |
| Base 12 | 85112 | 85412 |
| Base 13 | 72413 | 72713 |
| Base 14 | 62914 | 62c14 |
| Base 15 | 55d15 | 56115 |
| Base 16 | 4bd16 | 4c016 |