Compare 1601 vs 4481
| Property | 1601 | 4481 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16011 | 44811 |
| Prime factorization | 1601 | 4481 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1601 | 1, 4481 |
| Number of properties | 12 | 9 |
| Additive primes | 314th | |
| Chen primes | 160th | 351st |
| Cousin primes (2nd member) | 57th | |
| Emirps | 78th | |
| Good primes | 102nd | |
| Happy primes | 111th | |
| Harmonic primes | 85th | |
| Isolated primes | 153rd | |
| Primes | 252nd | 608th |
| Proth primes | 21st | 28th |
| Pythagorean primes | 120th | 300th |
| Sexy primes (1st member) | 108th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sophie germain primes | 54th | 110th |
| Twin primes (1st member) | 117th | |
| Roman numberals | MDCI | MMMMCDLXXXI |
| Base 2 | 110010000012 | 10001100000012 |
| Base 3 | 20120223 | 200102223 |
| Base 4 | 1210014 | 10120014 |
| Base 5 | 224015 | 1204115 |
| Base 6 | 112256 | 324256 |
| Base 7 | 44457 | 160317 |
| Base 8 | 31018 | 106018 |
| Base 9 | 21689 | 61289 |
| Base 10 | 160110 | 448110 |
| Base 11 | 122611 | 340411 |
| Base 12 | b1512 | 271512 |
| Base 13 | 96213 | 206913 |
| Base 14 | 82514 | 18c114 |
| Base 15 | 71b15 | 14db15 |
| Base 16 | 64116 | 118116 |