Compare 4001 vs 4091
| Property | 4001 | 4091 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 40011 | 40911 | 
| Prime factorization | 4001 | 4091 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 4001 | 1, 4091 | 
| Number of properties | 10 | 7 | 
| Additive primes | 282nd | |
| Chen primes | 321st | 325th | 
| Good primes | 95th | |
| Harmonic primes | 202nd | |
| Long primes | 224th | |
| Primes | 551st | 563rd | 
| 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 | |
| Solinas primes | 64th | |
| Super primes | 103rd | |
| Twin primes (1st member) | 104th | 107th | 
| Roman numberals | MMMMI | MMMMXCI | 
| Base 2 | 1111101000012 | 1111111110112 | 
| Base 3 | 121110123 | 121211123 | 
| Base 4 | 3322014 | 3333234 | 
| Base 5 | 1120015 | 1123315 | 
| Base 6 | 303056 | 305356 | 
| Base 7 | 144447 | 146337 | 
| Base 8 | 76418 | 77738 | 
| Base 9 | 54359 | 55459 | 
| Base 10 | 400110 | 409110 | 
| Base 11 | 300811 | 308a11 | 
| Base 12 | 239512 | 244b12 | 
| Base 13 | 1a8a13 | 1b2913 | 
| Base 14 | 165b14 | 16c314 | 
| Base 15 | 12bb15 | 132b15 | 
| Base 16 | fa116 | ffb16 |