Compare 1409 vs 1411
| Property | 1409 | 1411 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 14091 | 171 × 831 |
| Prime factorization | 1409 | 17 × 83 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1409 | 1, 17, 83, 1411 |
| Number of properties | 8 | 1 |
| Chen primes | 146th | |
| Emirps | 66th | |
| Isolated primes | 132nd | |
| Primes | 223rd | |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Semiprimes | 419th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Roman numberals | MCDIX | MCDXI |
| Base 2 | 101100000012 | 101100000112 |
| Base 3 | 12210123 | 12210213 |
| Base 4 | 1120014 | 1120034 |
| Base 5 | 211145 | 211215 |
| Base 6 | 103056 | 103116 |
| Base 7 | 40527 | 40547 |
| Base 8 | 26018 | 26038 |
| Base 9 | 18359 | 18379 |
| Base 10 | 140910 | 141110 |
| Base 11 | 107111 | 107311 |
| Base 12 | 99512 | 99712 |
| Base 13 | 84513 | 84713 |
| Base 14 | 72914 | 72b14 |
| Base 15 | 63e15 | 64115 |
| Base 16 | 58116 | 58316 |