Compare 1213 vs 1218
Property | 1213 | 1218 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 4 |
Total factors | 1 | 4 |
Prime factorization | 12131 | 21 × 31 × 71 × 291 |
Prime factorization | 1213 | 2 × 3 × 7 × 29 |
Divisors count | 2 | 16 |
Divisors | 1, 1213 | 1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218 |
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 | MCCXVIII |
Base 2 | 100101111012 | 100110000102 |
Base 3 | 11222213 | 12000103 |
Base 4 | 1023314 | 1030024 |
Base 5 | 143235 | 143335 |
Base 6 | 53416 | 53506 |
Base 7 | 33527 | 33607 |
Base 8 | 22758 | 23028 |
Base 9 | 15879 | 16039 |
Base 10 | 121310 | 121810 |
Base 11 | a0311 | a0811 |
Base 12 | 85112 | 85612 |
Base 13 | 72413 | 72913 |
Base 14 | 62914 | 63014 |
Base 15 | 55d15 | 56315 |
Base 16 | 4bd16 | 4c216 |