Compare 72161 vs 72165
| Property | 72161 | 72165 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 4 |
| Prime factorization | 721611 | 31 × 51 × 171 × 2831 |
| Prime factorization | 72161 | 3 × 5 × 17 × 283 |
| Divisors count | 2 | 16 |
| Divisors | 1, 72161 | 1, 3, 5, 15, 17, 51, 85, 255, 283, 849, 1415, 4245, 4811, 14433, 24055, 72165 |
| Number of properties | 10 | 0 |
| Additive primes | 3020th | |
| Emirps | 1052nd | |
| Happy primes | 1108th | |
| Harmonic primes | 2699th | |
| Isolated primes | 5277th | |
| Primes | 7142nd | |
| Pythagorean primes | 3556th | |
| Sexy primes (1st member) | 1875th | |
| Sexy prime triplets (1st member) | 422nd | |
| Sophie germain primes | 898th | |
| Roman numberals | ||
| Base 2 | 100011001111000012 | 100011001111001012 |
| Base 3 | 101222221223 | 101222222103 |
| Base 4 | 1012132014 | 1012132114 |
| Base 5 | 43021215 | 43021305 |
| Base 6 | 13140256 | 13140336 |
| Base 7 | 4202457 | 4202527 |
| Base 8 | 2147418 | 2147458 |
| Base 9 | 1188789 | 1188839 |
| Base 10 | 7216110 | 7216510 |
| Base 11 | 4a24111 | 4a24511 |
| Base 12 | 3591512 | 3591912 |
| Base 13 | 26acb13 | 26b0213 |
| Base 14 | 1c42514 | 1c42914 |
| Base 15 | 165ab15 | 165b015 |
| Base 16 | 119e116 | 119e516 |