Compare 3994 vs 4001
| Property | 3994 | 4001 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 19971 | 40011 |
| Prime factorization | 2 × 1997 | 4001 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 1997, 3994 | 1, 4001 |
| Number of properties | 1 | 10 |
| Additive primes | 282nd | |
| Chen primes | 321st | |
| Good primes | 95th | |
| Primes | 551st | |
| Prime triplets (1st member) | 72nd | |
| Pythagorean primes | 270th | |
| Semiprimes | 1103rd | |
| Sexy primes (1st member) | 203rd | |
| Sexy prime quadrupletss (1st member) | 17th | |
| Sexy prime triplets (1st member) | 71st | |
| Twin primes (1st member) | 104th | |
| Roman numberals | MMMCMXCIV | MMMMI |
| Base 2 | 1111100110102 | 1111101000012 |
| Base 3 | 121102213 | 121110123 |
| Base 4 | 3321224 | 3322014 |
| Base 5 | 1114345 | 1120015 |
| Base 6 | 302546 | 303056 |
| Base 7 | 144347 | 144447 |
| Base 8 | 76328 | 76418 |
| Base 9 | 54279 | 54359 |
| Base 10 | 399410 | 400110 |
| Base 11 | 300111 | 300811 |
| Base 12 | 238a12 | 239512 |
| Base 13 | 1a8313 | 1a8a13 |
| Base 14 | 165414 | 165b14 |
| Base 15 | 12b415 | 12bb15 |
| Base 16 | f9a16 | fa116 |