Compare 3993 vs 4001
| Property | 3993 | 4001 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 31 × 113 | 40011 |
| Prime factorization | 3 × 11 × 11 × 11 | 4001 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 11, 33, 121, 363, 1331, 3993 | 1, 4001 |
| Number of properties | 0 | 10 |
| Additive primes | 282nd | |
| Chen primes | 321st | |
| Good primes | 95th | |
| Primes | 551st | |
| Prime triplets (1st member) | 72nd | |
| Pythagorean primes | 270th | |
| Sexy primes (1st member) | 203rd | |
| Sexy prime quadrupletss (1st member) | 17th | |
| Sexy prime triplets (1st member) | 71st | |
| Twin primes (1st member) | 104th | |
| Roman numberals | MMMCMXCIII | MMMMI |
| Base 2 | 1111100110012 | 1111101000012 |
| Base 3 | 121102203 | 121110123 |
| Base 4 | 3321214 | 3322014 |
| Base 5 | 1114335 | 1120015 |
| Base 6 | 302536 | 303056 |
| Base 7 | 144337 | 144447 |
| Base 8 | 76318 | 76418 |
| Base 9 | 54269 | 54359 |
| Base 10 | 399310 | 400110 |
| Base 11 | 300011 | 300811 |
| Base 12 | 238912 | 239512 |
| Base 13 | 1a8213 | 1a8a13 |
| Base 14 | 165314 | 165b14 |
| Base 15 | 12b315 | 12bb15 |
| Base 16 | f9916 | fa116 |