Compare 1223 vs 1601
| Property | 1223 | 1601 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12231 | 16011 |
| Prime factorization | 1223 | 1601 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1223 | 1, 1601 |
| Number of properties | 10 | 12 |
| Chen primes | 160th | |
| Cousin primes (2nd member) | 57th | |
| Emirps | 54th | 78th |
| Harmonic primes | 70th | 85th |
| Isolated primes | 119th | 153rd |
| Left-truncatable primes | 55th | |
| Long primes | 77th | |
| Primes | 200th | 252nd |
| Proth primes | 21st | |
| Pythagorean primes | 120th | |
| Sexy primes (1st member) | 87th | 108th |
| Sexy primes (2nd member) | 86th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sexy prime triplets (2nd member) | 33rd | |
| Sophie germain primes | 43rd | 54th |
| Roman numberals | MCCXXIII | MDCI |
| Base 2 | 100110001112 | 110010000012 |
| Base 3 | 12000223 | 20120223 |
| Base 4 | 1030134 | 1210014 |
| Base 5 | 143435 | 224015 |
| Base 6 | 53556 | 112256 |
| Base 7 | 33657 | 44457 |
| Base 8 | 23078 | 31018 |
| Base 9 | 16089 | 21689 |
| Base 10 | 122310 | 160110 |
| Base 11 | a1211 | 122611 |
| Base 12 | 85b12 | b1512 |
| Base 13 | 73113 | 96213 |
| Base 14 | 63514 | 82514 |
| Base 15 | 56815 | 71b15 |
| Base 16 | 4c716 | 64116 |