Compare 30139 vs 30143
| Property | 30139 | 30143 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 301391 | 431 × 7011 |
| Prime factorization | 30139 | 43 × 701 |
| Divisors count | 2 | 4 |
| Divisors | 1, 30139 | 1, 43, 701, 30143 |
| Number of properties | 6 | 1 |
| Emirps | 631st | |
| Happy primes | 533rd | |
| Primes | 3261st | |
| Prime triplets (3rd member) | 226th | |
| Semiprimes | 7491st | |
| Sexy primes (2nd member) | 956th | |
| Twin primes (2nd member) | 470th | |
| Roman numberals | ||
| Base 2 | 1110101101110112 | 1110101101111112 |
| Base 3 | 11121000213 | 11121001023 |
| Base 4 | 131123234 | 131123334 |
| Base 5 | 14310245 | 14310335 |
| Base 6 | 3513116 | 3513156 |
| Base 7 | 1536047 | 1536117 |
| Base 8 | 726738 | 726778 |
| Base 9 | 453079 | 453129 |
| Base 10 | 3013910 | 3014310 |
| Base 11 | 2070a11 | 2071311 |
| Base 12 | 1553712 | 1553b12 |
| Base 13 | 1094513 | 1094913 |
| Base 14 | adab14 | adb114 |
| Base 15 | 8de415 | 8de815 |
| Base 16 | 75bb16 | 75bf16 |