Compare 149 vs 157
| Property | 149 | 157 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 1571 |
| Prime factorization | 149 | 157 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 157 |
| Number of properties | 8 | 11 |
| Additive primes | 21st | |
| Chen primes | 29th | 30th |
| Emirps | 11th | 12th |
| Good primes | 14th | |
| Harmonic primes | 12th | 13th |
| Isolated primes | 14th | |
| Long primes | 13th | |
| Primes | 35th | 37th |
| Pythagorean primes | 16th | 17th |
| Sexy primes (1st member) | 22nd | |
| Sexy primes (2nd member) | 21st | |
| Sexy prime triplets (2nd member) | 12th | |
| Super primes | 12th | |
| Twin primes (1st member) | 12th | |
| Roman numberals | CXLIX | CLVII |
| Base 2 | 100101012 | 100111012 |
| Base 3 | 121123 | 122113 |
| Base 4 | 21114 | 21314 |
| Base 5 | 10445 | 11125 |
| Base 6 | 4056 | 4216 |
| Base 7 | 3027 | 3137 |
| Base 8 | 2258 | 2358 |
| Base 9 | 1759 | 1849 |
| Base 10 | 14910 | 15710 |
| Base 11 | 12611 | 13311 |
| Base 12 | 10512 | 11112 |
| Base 13 | b613 | c113 |
| Base 14 | a914 | b314 |
| Base 15 | 9e15 | a715 |
| Base 16 | 9516 | 9d16 |