Compare 20717 vs 21407
| Property | 20717 | 21407 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207171 | 214071 |
| Prime factorization | 20717 | 21407 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20717 | 1, 21407 |
| Number of properties | 7 | 6 |
| Additive primes | 1083rd | |
| Chen primes | 1146th | 1180th |
| Good primes | 260th | |
| Happy primes | 386th | 398th |
| Isolated primes | 1679th | |
| Long primes | 911th | |
| Primes | 2332nd | 2404th |
| Pythagorean primes | 1160th | |
| Sexy primes (2nd member) | 730th | |
| Twin primes (1st member) | 352nd | |
| Roman numberals | ||
| Base 2 | 1010000111011012 | 1010011100111112 |
| Base 3 | 10011020223 | 10021002123 |
| Base 4 | 110032314 | 110321334 |
| Base 5 | 11303325 | 11411125 |
| Base 6 | 2355256 | 2430356 |
| Base 7 | 1142547 | 1162617 |
| Base 8 | 503558 | 516378 |
| Base 9 | 313689 | 323259 |
| Base 10 | 2071710 | 2140710 |
| Base 11 | 1462411 | 150a111 |
| Base 12 | bba512 | 1047b12 |
| Base 13 | 957813 | 998913 |
| Base 14 | 779b14 | 7b3114 |
| Base 15 | 621215 | 652215 |
| Base 16 | 50ed16 | 539f16 |