Compare 1597 vs 1619
| Property | 1597 | 1619 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 16191 |
| Prime factorization | 1597 | 1619 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1619 |
| Number of properties | 9 | 10 |
| Additive primes | 137th | |
| Chen primes | 162nd | |
| Cousin primes (1st member) | 57th | |
| Emirps | 77th | 79th |
| Fibonacci primes | 7th | |
| Good primes | 56th | |
| Isolated primes | 152nd | |
| Long primes | 100th | |
| Lucky primes | 61st | |
| Primes | 251st | 256th |
| Pythagorean primes | 119th | |
| Safe primes | 35th | |
| Sexy primes (2nd member) | 110th | |
| Sexy prime quadrupletss (4th member) | 10th | |
| Sexy prime triplets (3rd member) | 42nd | |
| Super primes | 54th | |
| Twin primes (1st member) | 52nd | |
| Roman numberals | MDXCVII | MDCXIX |
| Base 2 | 110001111012 | 110010100112 |
| Base 3 | 20120113 | 20122223 |
| Base 4 | 1203314 | 1211034 |
| Base 5 | 223425 | 224345 |
| Base 6 | 112216 | 112556 |
| Base 7 | 44417 | 45027 |
| Base 8 | 30758 | 31238 |
| Base 9 | 21649 | 21889 |
| Base 10 | 159710 | 161910 |
| Base 11 | 122211 | 124211 |
| Base 12 | b1112 | b2b12 |
| Base 13 | 95b13 | 97713 |
| Base 14 | 82114 | 83914 |
| Base 15 | 71715 | 72e15 |
| Base 16 | 63d16 | 65316 |