Compare 21143 vs 21221
| Property | 21143 | 21221 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 211431 | 212211 |
| Prime factorization | 21143 | 21221 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21143 | 1, 21221 |
| Number of properties | 9 | 6 |
| Additive primes | 1103rd | |
| Chen primes | 1167th | 1172nd |
| Cousin primes (2nd member) | 360th | |
| Happy primes | 393rd | |
| Harmonic primes | 873rd | |
| Isolated primes | 1657th | 1665th |
| Long primes | 903rd | |
| Primes | 2376th | 2386th |
| Pythagorean primes | 1184th | |
| Sexy primes (1st member) | 719th | 723rd |
| Sophie germain primes | 346th | |
| Roman numberals | ||
| Base 2 | 1010010100101112 | 1010010111001012 |
| Base 3 | 10020000023 | 10020022223 |
| Base 4 | 110221134 | 110232114 |
| Base 5 | 11340335 | 11343415 |
| Base 6 | 2415156 | 2421256 |
| Base 7 | 1154337 | 1156047 |
| Base 8 | 512278 | 513458 |
| Base 9 | 320029 | 320889 |
| Base 10 | 2114310 | 2122110 |
| Base 11 | 1498111 | 14a4211 |
| Base 12 | 1029b12 | 1034512 |
| Base 13 | 981513 | 987513 |
| Base 14 | 79c314 | 7a3b14 |
| Base 15 | 63e815 | 644b15 |
| Base 16 | 529716 | 52e516 |