Compare 216919 vs 216931
| Property | 216919 | 216931 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 2169191 | 111 × 131 × 371 × 411 |
| Prime factorization | 216919 | 11 × 13 × 37 × 41 |
| Divisors count | 2 | 16 |
| Divisors | 1, 216919 | 1, 11, 13, 37, 41, 143, 407, 451, 481, 533, 1517, 5291, 5863, 16687, 19721, 216931 |
| Number of properties | 4 | 0 |
| Chen primes | 8073rd | |
| Harmonic primes | 7257th | |
| Primes | 19359th | |
| Twin primes (2nd member) | 2300th | |
| Roman numberals | ||
| Base 2 | 1101001111010101112 | 1101001111011000112 |
| Base 3 | 1020001200013 | 1020001201113 |
| Base 4 | 3103311134 | 3103312034 |
| Base 5 | 234201345 | 234202115 |
| Base 6 | 43521316 | 43521516 |
| Base 7 | 15622637 | 15623117 |
| Base 8 | 6475278 | 6475438 |
| Base 9 | 3605019 | 3605149 |
| Base 10 | 21691910 | 21693110 |
| Base 11 | 138a7a11 | 138a9011 |
| Base 12 | a564712 | a565712 |
| Base 13 | 7797113 | 7798013 |
| Base 14 | 590a314 | 590b114 |
| Base 15 | 4441415 | 4442115 |
| Base 16 | 34f5716 | 34f6316 |