Compare 1237 vs 1409
| Property | 1237 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12371 | 14091 |
| Prime factorization | 1237 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1237 | 1, 1409 |
| Number of properties | 7 | 8 |
| Additive primes | 109th | |
| Chen primes | 146th | |
| Emirps | 57th | 66th |
| Harmonic primes | 71st | |
| Isolated primes | 120th | 132nd |
| Primes | 203rd | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 100th | 110th |
| Sexy primes (2nd member) | 88th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Roman numberals | MCCXXXVII | MCDIX |
| Base 2 | 100110101012 | 101100000012 |
| Base 3 | 12002113 | 12210123 |
| Base 4 | 1031114 | 1120014 |
| Base 5 | 144225 | 211145 |
| Base 6 | 54216 | 103056 |
| Base 7 | 34157 | 40527 |
| Base 8 | 23258 | 26018 |
| Base 9 | 16249 | 18359 |
| Base 10 | 123710 | 140910 |
| Base 11 | a2511 | 107111 |
| Base 12 | 87112 | 99512 |
| Base 13 | 74213 | 84513 |
| Base 14 | 64514 | 72914 |
| Base 15 | 57715 | 63e15 |
| Base 16 | 4d516 | 58116 |