Compare 3943 vs 4021
| Property | 3943 | 4021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 39431 | 40211 |
| Prime factorization | 3943 | 4021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3943 | 1, 4021 |
| Number of properties | 8 | 6 |
| Additive primes | 279th | 285th |
| Cousin primes (1st member) | 108th | |
| Harmonic primes | 197th | 199th |
| Isolated primes | 342nd | |
| Long primes | 216th | |
| Lucky primes | 115th | |
| Primes | 547th | 556th |
| Pythagorean primes | 272nd | |
| Sexy primes (1st member) | 206th | |
| Super primes | 101st | |
| Twin primes (2nd member) | 105th | |
| Roman numberals | MMMCMXLIII | MMMMXXI |
| Base 2 | 1111011001112 | 1111101101012 |
| Base 3 | 121020013 | 121112213 |
| Base 4 | 3312134 | 3323114 |
| Base 5 | 1112335 | 1120415 |
| Base 6 | 301316 | 303416 |
| Base 7 | 143327 | 145037 |
| Base 8 | 75478 | 76658 |
| Base 9 | 53619 | 54579 |
| Base 10 | 394310 | 402110 |
| Base 11 | 2a6511 | 302611 |
| Base 12 | 234712 | 23b112 |
| Base 13 | 1a4413 | 1aa413 |
| Base 14 | 161914 | 167314 |
| Base 15 | 127d15 | 12d115 |
| Base 16 | f6716 | fb516 |