Compare 21283 vs 21383
| Property | 21283 | 21383 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 212831 | 213831 |
| Prime factorization | 21283 | 21383 |
| Divisors count | 2 | 2 |
| Divisors | 1, 21283 | 1, 21383 |
| Number of properties | 5 | 10 |
| Additive primes | 1113th | |
| Cousin primes (2nd member) | 364th | |
| Happy primes | 395th | |
| Harmonic primes | 881st | |
| Isolated primes | 1670th | 1675th |
| Left-truncatable primes | 170th | |
| Long primes | 910th | |
| Primes | 2391st | 2400th |
| Prime triplets (3rd member) | 181st | |
| Safe primes | 201st | |
| Sexy primes (2nd member) | 724th | 728th |
| Sophie germain primes | 348th | |
| Roman numberals | ||
| Base 2 | 1010011001000112 | 1010011100001112 |
| Base 3 | 10020120213 | 10020222223 |
| Base 4 | 110302034 | 110320134 |
| Base 5 | 11401135 | 11410135 |
| Base 6 | 2423116 | 2425556 |
| Base 7 | 1160237 | 1162257 |
| Base 8 | 514438 | 516078 |
| Base 9 | 321679 | 322889 |
| Base 10 | 2128310 | 2138310 |
| Base 11 | 14a9911 | 1507a11 |
| Base 12 | 1039712 | 1045b12 |
| Base 13 | 98c213 | 996b13 |
| Base 14 | 7a8314 | 7b1514 |
| Base 15 | 648d15 | 650815 |
| Base 16 | 532316 | 538716 |