Compare 1409 vs 1901
| Property | 1409 | 1901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 19011 |
| Prime factorization | 1409 | 1901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1901 |
| Number of properties | 8 | 11 |
| Additive primes | 154th | |
| Centered decagonal primes | 14th | |
| Chen primes | 146th | 179th |
| Emirps | 66th | 92nd |
| Harmonic primes | 106th | |
| Isolated primes | 132nd | 176th |
| Primes | 223rd | 291st |
| Proth primes | 20th | |
| Pythagorean primes | 110th | 141st |
| Sexy primes (1st member) | 124th | |
| Sexy prime triplets (1st member) | 49th | |
| Sophie germain primes | 46th | 58th |
| Super primes | 48th | |
| Roman numberals | MCDIX | MCMI |
| Base 2 | 101100000012 | 111011011012 |
| Base 3 | 12210123 | 21211023 |
| Base 4 | 1120014 | 1312314 |
| Base 5 | 211145 | 301015 |
| Base 6 | 103056 | 124456 |
| Base 7 | 40527 | 53547 |
| Base 8 | 26018 | 35558 |
| Base 9 | 18359 | 25429 |
| Base 10 | 140910 | 190110 |
| Base 11 | 107111 | 147911 |
| Base 12 | 99512 | 112512 |
| Base 13 | 84513 | b3313 |
| Base 14 | 72914 | 99b14 |
| Base 15 | 63e15 | 86b15 |
| Base 16 | 58116 | 76d16 |