Compare 12345 vs 12347
| Property | 12345 | 12347 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 51 × 8231 | 123471 |
| Prime factorization | 3 × 5 × 823 | 12347 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 5, 15, 823, 2469, 4115, 12345 | 1, 12347 |
| Number of properties | 0 | 8 |
| Additive primes | 712th | |
| Chen primes | 754th | |
| Cousin primes (2nd member) | 239th | |
| Happy primes | 244th | |
| Isolated primes | 994th | |
| Left-truncatable primes | 155th | |
| Primes | 1475th | |
| Safe primes | 137th | |
| Roman numberals | ||
| Base 2 | 110000001110012 | 110000001110112 |
| Base 3 | 1212210203 | 1212210223 |
| Base 4 | 30003214 | 30003234 |
| Base 5 | 3433405 | 3433425 |
| Base 6 | 1330536 | 1330556 |
| Base 7 | 506647 | 506667 |
| Base 8 | 300718 | 300738 |
| Base 9 | 178369 | 178389 |
| Base 10 | 1234510 | 1234710 |
| Base 11 | 930311 | 930511 |
| Base 12 | 718912 | 718b12 |
| Base 13 | 580813 | 580a13 |
| Base 14 | 46db14 | 46dd14 |
| Base 15 | 39d015 | 39d215 |
| Base 16 | 303916 | 303b16 |