Compare 12347 vs 12391
| Property | 12347 | 12391 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 123471 | 123911 |
| Prime factorization | 12347 | 12391 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12347 | 1, 12391 |
| Number of properties | 8 | 4 |
| Additive primes | 712th | |
| Centered heptagonal primes | 18th | |
| Chen primes | 754th | |
| Cousin primes (2nd member) | 239th | |
| Happy primes | 244th | |
| Isolated primes | 994th | 996th |
| Left-truncatable primes | 155th | |
| Lucky primes | 252nd | |
| Primes | 1475th | 1479th |
| Safe primes | 137th | |
| Roman numberals | ||
| Base 2 | 110000001110112 | 110000011001112 |
| Base 3 | 1212210223 | 1212222213 |
| Base 4 | 30003234 | 30012134 |
| Base 5 | 3433425 | 3440315 |
| Base 6 | 1330556 | 1332116 |
| Base 7 | 506667 | 510617 |
| Base 8 | 300738 | 301478 |
| Base 9 | 178389 | 178879 |
| Base 10 | 1234710 | 1239110 |
| Base 11 | 930511 | 934511 |
| Base 12 | 718b12 | 720712 |
| Base 13 | 580a13 | 584213 |
| Base 14 | 46dd14 | 473114 |
| Base 15 | 39d215 | 3a1115 |
| Base 16 | 303b16 | 306716 |