Compare 3967 vs 4021
| Property | 3967 | 4021 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 39671 | 40211 |
| Prime factorization | 3967 | 4021 |
| Divisors count | 2 | 2 |
| Divisors | 1, 3967 | 1, 4021 |
| Number of properties | 6 | 6 |
| Additive primes | 285th | |
| Carol primes | 4th | |
| Harmonic primes | 199th | |
| Isolated primes | 344th | |
| Left-truncatable primes | 88th | |
| Long primes | 217th | |
| Primes | 549th | 556th |
| Pythagorean primes | 272nd | |
| Sexy primes (1st member) | 206th | |
| Solinas primes | 62nd | |
| Twin primes (2nd member) | 105th | |
| Roman numberals | MMMCMLXVII | MMMMXXI |
| Base 2 | 1111011111112 | 1111101101012 |
| Base 3 | 121022213 | 121112213 |
| Base 4 | 3313334 | 3323114 |
| Base 5 | 1113325 | 1120415 |
| Base 6 | 302116 | 303416 |
| Base 7 | 143657 | 145037 |
| Base 8 | 75778 | 76658 |
| Base 9 | 53879 | 54579 |
| Base 10 | 396710 | 402110 |
| Base 11 | 2a8711 | 302611 |
| Base 12 | 236712 | 23b112 |
| Base 13 | 1a6213 | 1aa413 |
| Base 14 | 163514 | 167314 |
| Base 15 | 129715 | 12d115 |
| Base 16 | f7f16 | fb516 |