Compare 72128 vs 72139
| Property | 72128 | 72139 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 26 × 72 × 231 | 721391 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 23 | 72139 |
| Divisors count | 42 | 2 |
| Divisors | 1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 161, 184, 196, 224, 322, 368, 392, 448, 644, 736, 784, 1127, 1288, 1472, 1568, 2254, 2576, 3136, 4508, 5152, 9016, 10304, 18032, 36064, 72128 | 1, 72139 |
| Number of properties | 0 | 3 |
| Isolated primes | 5276th | |
| Lucky primes | 965th | |
| Primes | 7141st | |
| Roman numberals | ||
| Base 2 | 100011001110000002 | 100011001110010112 |
| Base 3 | 101222211023 | 101222212113 |
| Base 4 | 1012130004 | 1012130234 |
| Base 5 | 43020035 | 43020245 |
| Base 6 | 13135326 | 13135516 |
| Base 7 | 4202007 | 4202147 |
| Base 8 | 2147008 | 2147138 |
| Base 9 | 1188429 | 1188549 |
| Base 10 | 7212810 | 7213910 |
| Base 11 | 4a21111 | 4a22111 |
| Base 12 | 358a812 | 358b712 |
| Base 13 | 26aa413 | 26ab213 |
| Base 14 | 1c40014 | 1c40b14 |
| Base 15 | 1658815 | 1659415 |
| Base 16 | 119c016 | 119cb16 |