Compare 19912 vs 19913
| Property | 19912 | 19913 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 23 × 191 × 1311 | 199131 |
| Prime factorization | 2 × 2 × 2 × 19 × 131 | 19913 |
| Divisors count | 16 | 2 |
| Divisors | 1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 2489, 4978, 9956, 19912 | 1, 19913 |
| Number of properties | 0 | 10 |
| Additive primes | 1045th | |
| Emirps | 626th | |
| Good primes | 256th | |
| Isolated primes | 1572nd | |
| Long primes | 861st | |
| Primes | 2251st | |
| Pythagorean primes | 1119th | |
| Sexy primes (1st member) | 691st | |
| Sophie germain primes | 324th | |
| Super primes | 335th | |
| Roman numberals | ||
| Base 2 | 1001101110010002 | 1001101110010012 |
| Base 3 | 10000221113 | 10000221123 |
| Base 4 | 103130204 | 103130214 |
| Base 5 | 11141225 | 11141235 |
| Base 6 | 2321046 | 2321056 |
| Base 7 | 1120247 | 1120257 |
| Base 8 | 467108 | 467118 |
| Base 9 | 302749 | 302759 |
| Base 10 | 1991210 | 1991310 |
| Base 11 | 13a6211 | 13a6311 |
| Base 12 | b63412 | b63512 |
| Base 13 | 90a913 | 90aa13 |
| Base 14 | 738414 | 738514 |
| Base 15 | 5d7715 | 5d7815 |
| Base 16 | 4dc816 | 4dc916 |