Compare 181213 vs 181214
| Property | 181213 | 181214 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 1812131 | 21 × 111 × 82371 |
| Prime factorization | 181213 | 2 × 11 × 8237 |
| Divisors count | 2 | 8 |
| Divisors | 1, 181213 | 1, 2, 11, 22, 8237, 16474, 90607, 181214 |
| Number of properties | 6 | 0 |
| Harmonic primes | 6156th | |
| Lucky primes | 2125th | |
| Primes | 16431st | |
| Pythagorean primes | 8202nd | |
| Sexy primes (1st member) | 3948th | |
| Twin primes (2nd member) | 1988th | |
| Roman numberals | ||
| Base 2 | 1011000011110111012 | 1011000011110111102 |
| Base 3 | 1000121201213 | 1000121201223 |
| Base 4 | 2300331314 | 2300331324 |
| Base 5 | 212443235 | 212443245 |
| Base 6 | 35145416 | 35145426 |
| Base 7 | 13532147 | 13532157 |
| Base 8 | 5417358 | 5417368 |
| Base 9 | 3055179 | 3055189 |
| Base 10 | 18121310 | 18121410 |
| Base 11 | 11416a11 | 11417011 |
| Base 12 | 88a5112 | 88a5212 |
| Base 13 | 6463613 | 6463713 |
| Base 14 | 4a07b14 | 4a07c14 |
| Base 15 | 38a5d15 | 38a5e15 |
| Base 16 | 2c3dd16 | 2c3de16 |