Compare 1409 vs 1601
| Property | 1409 | 1601 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 16011 |
| Prime factorization | 1409 | 1601 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1601 |
| Number of properties | 8 | 12 |
| Chen primes | 146th | 160th |
| Cousin primes (2nd member) | 57th | |
| Emirps | 66th | 78th |
| Harmonic primes | 85th | |
| Isolated primes | 132nd | 153rd |
| Primes | 223rd | 252nd |
| Proth primes | 20th | 21st |
| Pythagorean primes | 110th | 120th |
| Sexy primes (1st member) | 108th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sophie germain primes | 46th | 54th |
| Super primes | 48th | |
| Roman numberals | MCDIX | MDCI |
| Base 2 | 101100000012 | 110010000012 |
| Base 3 | 12210123 | 20120223 |
| Base 4 | 1120014 | 1210014 |
| Base 5 | 211145 | 224015 |
| Base 6 | 103056 | 112256 |
| Base 7 | 40527 | 44457 |
| Base 8 | 26018 | 31018 |
| Base 9 | 18359 | 21689 |
| Base 10 | 140910 | 160110 |
| Base 11 | 107111 | 122611 |
| Base 12 | 99512 | b1512 |
| Base 13 | 84513 | 96213 |
| Base 14 | 72914 | 82514 |
| Base 15 | 63e15 | 71b15 |
| Base 16 | 58116 | 64116 |