Compare 9901 vs 9904
| Property | 9901 | 9904 | 
|---|---|---|
| Type | prime | composite number | 
| Unique factors | 1 | 2 | 
| Total factors | 1 | 5 | 
| Prime factorization | 99011 | 24 × 6191 | 
| Prime factorization | 9901 | 2 × 2 × 2 × 2 × 619 | 
| Divisors count | 2 | 10 | 
| Divisors | 1, 9901 | 1, 2, 4, 8, 16, 619, 1238, 2476, 4952, 9904 | 
| Number of properties | 7 | 0 | 
| Additive primes | 585th | |
| Centered decagonal primes | 26th | |
| Chen primes | 630th | |
| Isolated primes | 814th | |
| Primes | 1221st | |
| Pythagorean primes | 605th | |
| Sexy primes (1st member) | 409th | |
| Roman numberals | ||
| Base 2 | 100110101011012 | 100110101100002 | 
| Base 3 | 1111202013 | 1111202113 | 
| Base 4 | 21222314 | 21223004 | 
| Base 5 | 3041015 | 3041045 | 
| Base 6 | 1135016 | 1135046 | 
| Base 7 | 406037 | 406067 | 
| Base 8 | 232558 | 232608 | 
| Base 9 | 145219 | 145249 | 
| Base 10 | 990110 | 990410 | 
| Base 11 | 749111 | 749411 | 
| Base 12 | 589112 | 589412 | 
| Base 13 | 467813 | 467b13 | 
| Base 14 | 387314 | 387614 | 
| Base 15 | 2e0115 | 2e0415 | 
| Base 16 | 26ad16 | 26b016 |