Compare 149 vs 173
| Property | 149 | 173 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 1731 |
| Prime factorization | 149 | 173 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 173 |
| Number of properties | 8 | 9 |
| Additive primes | 22nd | |
| Chen primes | 29th | |
| Emirps | 11th | |
| Good primes | 14th | |
| Harmonic primes | 12th | |
| Isolated primes | 17th | |
| Left-truncatable primes | 19th | |
| Long primes | 13th | |
| Primes | 35th | 40th |
| Pythagorean primes | 16th | 18th |
| Sexy primes (1st member) | 24th | |
| Sexy primes (2nd member) | 23rd | |
| Sexy prime triplets (2nd member) | 13th | |
| Sophie germain primes | 13th | |
| Twin primes (1st member) | 12th | |
| Roman numberals | CXLIX | CLXXIII |
| Base 2 | 100101012 | 101011012 |
| Base 3 | 121123 | 201023 |
| Base 4 | 21114 | 22314 |
| Base 5 | 10445 | 11435 |
| Base 6 | 4056 | 4456 |
| Base 7 | 3027 | 3357 |
| Base 8 | 2258 | 2558 |
| Base 9 | 1759 | 2129 |
| Base 10 | 14910 | 17310 |
| Base 11 | 12611 | 14811 |
| Base 12 | 10512 | 12512 |
| Base 13 | b613 | 10413 |
| Base 14 | a914 | c514 |
| Base 15 | 9e15 | b815 |
| Base 16 | 9516 | ad16 |