Compare 20771 vs 21221
| Property | 20771 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 207711 | 212211 |
| Prime factorization | 20771 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 20771 | 1, 21221 |
| Number of properties | 7 | 6 |
| Additive primes | 1088th | |
| Chen primes | 1152nd | 1172nd |
| Happy primes | 387th | |
| Harmonic primes | 855th | |
| Isolated primes | 1665th | |
| Primes | 2340th | 2386th |
| Pythagorean primes | 1184th | |
| Sexy primes (1st member) | 723rd | |
| Sophie germain primes | 336th | 346th |
| Twin primes (1st member) | 354th | |
| Roman numberals | ||
| Base 2 | 1010001001000112 | 1010010111001012 |
| Base 3 | 10011110223 | 10020022223 |
| Base 4 | 110102034 | 110232114 |
| Base 5 | 11310415 | 11343415 |
| Base 6 | 2400556 | 2421256 |
| Base 7 | 1143627 | 1156047 |
| Base 8 | 504438 | 513458 |
| Base 9 | 314389 | 320889 |
| Base 10 | 2077110 | 2122110 |
| Base 11 | 1467311 | 14a4211 |
| Base 12 | 1002b12 | 1034512 |
| Base 13 | 95ba13 | 987513 |
| Base 14 | 77d914 | 7a3b14 |
| Base 15 | 624b15 | 644b15 |
| Base 16 | 512316 | 52e516 |