Compare 16981 vs 17209
| Property | 16981 | 17209 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 169811 | 172091 |
| Prime factorization | 16981 | 17209 |
| Divisors count | 2 | 2 |
| Divisors | 1, 16981 | 1, 17209 |
| Number of properties | 7 | 10 |
| Additive primes | 945th | |
| Chen primes | 990th | |
| Emirps | 527th | |
| Harmonic primes | 721st | |
| Long primes | 757th | |
| Lucky primes | 319th | 323rd |
| Primes | 1958th | 1983rd |
| Prime triplets (3rd member) | 152nd | |
| Pythagorean primes | 966th | 978th |
| Sexy primes (1st member) | 610th | |
| Sexy primes (2nd member) | 619th | |
| Sexy prime triplets (1st member) | 171st | |
| Twin primes (2nd member) | 297th | 300th |
| Roman numberals | ||
| Base 2 | 1000010010101012 | 1000011001110012 |
| Base 3 | 2120212213 | 2121211013 |
| Base 4 | 100211114 | 100303214 |
| Base 5 | 10204115 | 10223145 |
| Base 6 | 2103416 | 2114016 |
| Base 7 | 1003367 | 1011137 |
| Base 8 | 411258 | 414718 |
| Base 9 | 252579 | 255419 |
| Base 10 | 1698110 | 1720910 |
| Base 11 | 1183811 | 11a2511 |
| Base 12 | 99b112 | 9b6112 |
| Base 13 | 796313 | 7aaa13 |
| Base 14 | 628d14 | 63b314 |
| Base 15 | 507115 | 517415 |
| Base 16 | 425516 | 433916 |