Compare 72139 vs 72151
| Property | 72139 | 72151 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 721391 | 231 × 31371 |
| Prime factorization | 72139 | 23 × 3137 |
| Divisors count | 2 | 4 |
| Divisors | 1, 72139 | 1, 23, 3137, 72151 |
| Number of properties | 3 | 1 |
| Isolated primes | 5276th | |
| Lucky primes | 965th | |
| Primes | 7141st | |
| Semiprimes | 17156th | |
| Roman numberals | ||
| Base 2 | 100011001110010112 | 100011001110101112 |
| Base 3 | 101222212113 | 101222220213 |
| Base 4 | 1012130234 | 1012131134 |
| Base 5 | 43020245 | 43021015 |
| Base 6 | 13135516 | 13140116 |
| Base 7 | 4202147 | 4202327 |
| Base 8 | 2147138 | 2147278 |
| Base 9 | 1188549 | 1188679 |
| Base 10 | 7213910 | 7215110 |
| Base 11 | 4a22111 | 4a23211 |
| Base 12 | 358b712 | 3590712 |
| Base 13 | 26ab213 | 26ac113 |
| Base 14 | 1c40b14 | 1c41914 |
| Base 15 | 1659415 | 165a115 |
| Base 16 | 119cb16 | 119d716 |