Compare 97 vs 197
| Property | 97 | 197 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 971 | 1971 |
| Prime factorization | 97 | 197 |
| Divisors count | 2 | 2 |
| Divisors | 1, 97 | 1, 197 |
| Number of properties | 20 | 13 |
| Additive primes | 26th | |
| Centered heptagonal primes | 3rd | |
| Chen primes | 35th | |
| Cousin primes (1st member) | 9th | |
| Cousin primes (2nd member) | 14th | |
| Emirps | 8th | |
| Good primes | 11th | |
| Happy primes | 7th | |
| Isolated primes | 10th | |
| Left-truncatable primes | 15th | 20th |
| Long primes | 9th | |
| Pierpont primes | 10th | |
| Primes | 25th | 45th |
| Prime quadruplets (3rd member) | 4th | |
| Prime quintuplet 1s (1st member) | 2nd | |
| Prime sextuplets (1st member) | 2nd | |
| Prime triplets (1st member) | 9th | |
| Prime triplets (2nd member) | 14th | |
| Prime triplets (3rd member) | 13th | |
| Proth primes | 6th | |
| Pythagorean primes | 11th | 21st |
| Quartan primes | 3rd | |
| Sexy primes (1st member) | 16th | |
| Sexy primes (2nd member) | 25th | |
| Sexy prime triplets (1st member) | 10th | |
| Solinas primes | 20th | |
| Thabit primes of the 2nd kind | 3rd | |
| Twin primes (1st member) | 15th | |
| Ulam primes | 7th | 9th |
| Roman numberals | XCVII | CXCVII |
| Base 2 | 11000012 | 110001012 |
| Base 3 | 101213 | 210223 |
| Base 4 | 12014 | 30114 |
| Base 5 | 3425 | 12425 |
| Base 6 | 2416 | 5256 |
| Base 7 | 1667 | 4017 |
| Base 8 | 1418 | 3058 |
| Base 9 | 1179 | 2389 |
| Base 10 | 9710 | 19710 |
| Base 11 | 8911 | 16a11 |
| Base 12 | 8112 | 14512 |
| Base 13 | 7613 | 12213 |
| Base 14 | 6d14 | 10114 |
| Base 15 | 6715 | d215 |
| Base 16 | 6116 | c516 |