Compare 151 vs 197
| Property | 151 | 197 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1511 | 1971 |
| Prime factorization | 151 | 197 |
| Divisors count | 2 | 2 |
| Divisors | 1, 151 | 1, 197 |
| Number of properties | 9 | 13 |
| Additive primes | 20th | 26th |
| Centered decagonal primes | 5th | |
| Centered heptagonal primes | 3rd | |
| Chen primes | 35th | |
| Cousin primes (2nd member) | 14th | |
| Left-truncatable primes | 20th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 36th | 45th |
| Prime quadruplets (3rd member) | 4th | |
| Prime triplets (2nd member) | 14th | |
| Prime triplets (3rd member) | 13th | |
| Pythagorean primes | 21st | |
| Sexy primes (1st member) | 21st | |
| Sexy primes (2nd member) | 25th | |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (1st member) | 15th | |
| Twin primes (2nd member) | 12th | |
| Ulam primes | 9th | |
| Roman numberals | CLI | CXCVII |
| Base 2 | 100101112 | 110001012 |
| Base 3 | 121213 | 210223 |
| Base 4 | 21134 | 30114 |
| Base 5 | 11015 | 12425 |
| Base 6 | 4116 | 5256 |
| Base 7 | 3047 | 4017 |
| Base 8 | 2278 | 3058 |
| Base 9 | 1779 | 2389 |
| Base 10 | 15110 | 19710 |
| Base 11 | 12811 | 16a11 |
| Base 12 | 10712 | 14512 |
| Base 13 | b813 | 12213 |
| Base 14 | ab14 | 10114 |
| Base 15 | a115 | d215 |
| Base 16 | 9716 | c516 |