Compare 1231 vs 1409
| Property | 1231 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12311 | 14091 |
| Prime factorization | 1231 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1231 | 1, 1409 |
| Number of properties | 6 | 8 |
| Additive primes | 108th | |
| Chen primes | 146th | |
| Emirps | 56th | 66th |
| Isolated primes | 132nd | |
| Lucky primes | 52nd | |
| Primes | 202nd | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sexy primes (1st member) | 88th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Twin primes (2nd member) | 42nd | |
| Roman numberals | MCCXXXI | MCDIX |
| Base 2 | 100110011112 | 101100000012 |
| Base 3 | 12001213 | 12210123 |
| Base 4 | 1030334 | 1120014 |
| Base 5 | 144115 | 211145 |
| Base 6 | 54116 | 103056 |
| Base 7 | 34067 | 40527 |
| Base 8 | 23178 | 26018 |
| Base 9 | 16179 | 18359 |
| Base 10 | 123110 | 140910 |
| Base 11 | a1a11 | 107111 |
| Base 12 | 86712 | 99512 |
| Base 13 | 73913 | 84513 |
| Base 14 | 63d14 | 72914 |
| Base 15 | 57115 | 63e15 |
| Base 16 | 4cf16 | 58116 |