Compare 1409 vs 1523
| Property | 1409 | 1523 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 14091 | 15231 |
| Prime factorization | 1409 | 1523 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1409 | 1, 1523 |
| Number of properties | 8 | 7 |
| Additive primes | 131st | |
| Chen primes | 146th | |
| Emirps | 66th | 74th |
| Isolated primes | 132nd | 142nd |
| Left-truncatable primes | 59th | |
| Primes | 223rd | 241st |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Safe primes | 34th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | 53rd |
| Roman numberals | MCDIX | MDXXIII |
| Base 2 | 101100000012 | 101111100112 |
| Base 3 | 12210123 | 20021023 |
| Base 4 | 1120014 | 1133034 |
| Base 5 | 211145 | 220435 |
| Base 6 | 103056 | 110156 |
| Base 7 | 40527 | 43047 |
| Base 8 | 26018 | 27638 |
| Base 9 | 18359 | 20729 |
| Base 10 | 140910 | 152310 |
| Base 11 | 107111 | 116511 |
| Base 12 | 99512 | a6b12 |
| Base 13 | 84513 | 90213 |
| Base 14 | 72914 | 7ab14 |
| Base 15 | 63e15 | 6b815 |
| Base 16 | 58116 | 5f316 |