Compare 12391 vs 12401
| Property | 12391 | 12401 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 123911 | 124011 |
| Prime factorization | 12391 | 12401 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12391 | 1, 12401 |
| Number of properties | 4 | 6 |
| Centered heptagonal primes | 18th | |
| Chen primes | 757th | |
| Harmonic primes | 533rd | |
| Isolated primes | 996th | 997th |
| Lucky primes | 252nd | |
| Primes | 1479th | 1480th |
| Pythagorean primes | 730th | |
| Quartan primes | 16th | |
| Roman numberals | ||
| Base 2 | 110000011001112 | 110000011100012 |
| Base 3 | 1212222213 | 1220000223 |
| Base 4 | 30012134 | 30013014 |
| Base 5 | 3440315 | 3441015 |
| Base 6 | 1332116 | 1332256 |
| Base 7 | 510617 | 511047 |
| Base 8 | 301478 | 301618 |
| Base 9 | 178879 | 180089 |
| Base 10 | 1239110 | 1240110 |
| Base 11 | 934511 | 935411 |
| Base 12 | 720712 | 721512 |
| Base 13 | 584213 | 584c13 |
| Base 14 | 473114 | 473b14 |
| Base 15 | 3a1115 | 3a1b15 |
| Base 16 | 306716 | 307116 |