Compare 30128 vs 30139
| Property | 30128 | 30139 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 24 × 71 × 2691 | 301391 |
| Prime factorization | 2 × 2 × 2 × 2 × 7 × 269 | 30139 |
| Divisors count | 20 | 2 |
| Divisors | 1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 269, 538, 1076, 1883, 2152, 3766, 4304, 7532, 15064, 30128 | 1, 30139 |
| Number of properties | 0 | 6 |
| Emirps | 631st | |
| Happy primes | 533rd | |
| Primes | 3261st | |
| Prime triplets (3rd member) | 226th | |
| Sexy primes (2nd member) | 956th | |
| Twin primes (2nd member) | 470th | |
| Roman numberals | ||
| Base 2 | 1110101101100002 | 1110101101110112 |
| Base 3 | 11120222123 | 11121000213 |
| Base 4 | 131123004 | 131123234 |
| Base 5 | 14310035 | 14310245 |
| Base 6 | 3512526 | 3513116 |
| Base 7 | 1535607 | 1536047 |
| Base 8 | 726608 | 726738 |
| Base 9 | 452859 | 453079 |
| Base 10 | 3012810 | 3013910 |
| Base 11 | 206aa11 | 2070a11 |
| Base 12 | 1552812 | 1553712 |
| Base 13 | 1093713 | 1094513 |
| Base 14 | ada014 | adab14 |
| Base 15 | 8dd815 | 8de415 |
| Base 16 | 75b016 | 75bb16 |