Compare 165221 vs 165229
| Property | 165221 | 165229 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 236031 | 1652291 |
| Prime factorization | 7 × 23603 | 165229 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 23603, 165221 | 1, 165229 |
| Number of properties | 1 | 7 |
| Cousin primes (1st member) | 1821st | |
| Emirps | 3345th | |
| Harmonic primes | 5677th | |
| Isolated primes | 11417th | |
| Long primes | 5640th | |
| Primes | 15110th | |
| Pythagorean primes | 7535th | |
| Semiprimes | 37722nd | |
| Roman numberals | ||
| Base 2 | 1010000101011001012 | 1010000101011011012 |
| Base 3 | 221011220223 | 221011221213 |
| Base 4 | 2201112114 | 2201112314 |
| Base 5 | 202413415 | 202414045 |
| Base 6 | 33125256 | 33125416 |
| Base 7 | 12554607 | 12555017 |
| Base 8 | 5025458 | 5025558 |
| Base 9 | 2715689 | 2715779 |
| Base 10 | 16522110 | 16522910 |
| Base 11 | 10315111 | 10315911 |
| Base 12 | 7b74512 | 7b75112 |
| Base 13 | 5a28413 | 5a28c13 |
| Base 14 | 442d714 | 4430114 |
| Base 15 | 33e4b15 | 33e5415 |
| Base 16 | 2856516 | 2856d16 |