Compare 1597 vs 1973
| Property | 1597 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15971 | 19731 |
| Prime factorization | 1597 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1597 | 1, 1973 |
| Number of properties | 9 | 7 |
| Cousin primes (1st member) | 57th | |
| Emirps | 77th | |
| Fibonacci primes | 7th | |
| Good primes | 56th | 61st |
| Harmonic primes | 111th | |
| Isolated primes | 152nd | 179th |
| Lucky primes | 61st | |
| Primes | 251st | 298th |
| Pythagorean primes | 119th | 145th |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 60th | |
| Super primes | 54th | |
| Roman numberals | MDXCVII | MCMLXXIII |
| Base 2 | 110001111012 | 111101101012 |
| Base 3 | 20120113 | 22010023 |
| Base 4 | 1203314 | 1323114 |
| Base 5 | 223425 | 303435 |
| Base 6 | 112216 | 130456 |
| Base 7 | 44417 | 55167 |
| Base 8 | 30758 | 36658 |
| Base 9 | 21649 | 26329 |
| Base 10 | 159710 | 197310 |
| Base 11 | 122211 | 153411 |
| Base 12 | b1112 | 118512 |
| Base 13 | 95b13 | b8a13 |
| Base 14 | 82114 | a0d14 |
| Base 15 | 71715 | 8b815 |
| Base 16 | 63d16 | 7b516 |