Compare 4021 vs 4129
| Property | 4021 | 4129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 40211 | 41291 |
| Prime factorization | 4021 | 4129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 4021 | 1, 4129 |
| Number of properties | 6 | 8 |
| Additive primes | 285th | |
| Cousin primes (1st member) | 110th | |
| Harmonic primes | 199th | 205th |
| Lucky primes | 117th | |
| Primes | 556th | 568th |
| Prime triplets (2nd member) | 73rd | |
| Pythagorean primes | 272nd | 277th |
| Sexy primes (1st member) | 206th | |
| Solinas primes | 69th | |
| Twin primes (2nd member) | 105th | 108th |
| Roman numberals | MMMMXXI | MMMMCXXIX |
| Base 2 | 1111101101012 | 10000001000012 |
| Base 3 | 121112213 | 121222213 |
| Base 4 | 3323114 | 10002014 |
| Base 5 | 1120415 | 1130045 |
| Base 6 | 303416 | 310416 |
| Base 7 | 145037 | 150167 |
| Base 8 | 76658 | 100418 |
| Base 9 | 54579 | 55879 |
| Base 10 | 402110 | 412910 |
| Base 11 | 302611 | 311411 |
| Base 12 | 23b112 | 248112 |
| Base 13 | 1aa413 | 1b5813 |
| Base 14 | 167314 | 170d14 |
| Base 15 | 12d115 | 135415 |
| Base 16 | fb516 | 102116 |