Compare 1223 vs 1409
| Property | 1223 | 1409 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12231 | 14091 |
| Prime factorization | 1223 | 1409 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1223 | 1, 1409 |
| Number of properties | 10 | 8 |
| Chen primes | 146th | |
| Emirps | 54th | 66th |
| Harmonic primes | 70th | |
| Isolated primes | 119th | 132nd |
| Left-truncatable primes | 55th | |
| Long primes | 77th | |
| Primes | 200th | 223rd |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sexy primes (1st member) | 87th | |
| Sexy primes (2nd member) | 86th | |
| Sexy prime triplets (2nd member) | 33rd | |
| Sophie germain primes | 43rd | 46th |
| Super primes | 48th | |
| Roman numberals | MCCXXIII | MCDIX |
| Base 2 | 100110001112 | 101100000012 |
| Base 3 | 12000223 | 12210123 |
| Base 4 | 1030134 | 1120014 |
| Base 5 | 143435 | 211145 |
| Base 6 | 53556 | 103056 |
| Base 7 | 33657 | 40527 |
| Base 8 | 23078 | 26018 |
| Base 9 | 16089 | 18359 |
| Base 10 | 122310 | 140910 |
| Base 11 | a1211 | 107111 |
| Base 12 | 85b12 | 99512 |
| Base 13 | 73113 | 84513 |
| Base 14 | 63514 | 72914 |
| Base 15 | 56815 | 63e15 |
| Base 16 | 4c716 | 58116 |