Compare 149 vs 151
| Property | 149 | 151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1491 | 1511 |
| Prime factorization | 149 | 151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 149 | 1, 151 |
| Number of properties | 8 | 9 |
| Additive primes | 20th | |
| Centered decagonal primes | 5th | |
| Chen primes | 29th | |
| Emirps | 11th | |
| Good primes | 14th | |
| Harmonic primes | 12th | |
| Long primes | 13th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 35th | 36th |
| Pythagorean primes | 16th | |
| Sexy primes (1st member) | 21st | |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (1st member) | 12th | |
| Twin primes (2nd member) | 12th | |
| Roman numberals | CXLIX | CLI |
| Base 2 | 100101012 | 100101112 |
| Base 3 | 121123 | 121213 |
| Base 4 | 21114 | 21134 |
| Base 5 | 10445 | 11015 |
| Base 6 | 4056 | 4116 |
| Base 7 | 3027 | 3047 |
| Base 8 | 2258 | 2278 |
| Base 9 | 1759 | 1779 |
| Base 10 | 14910 | 15110 |
| Base 11 | 12611 | 12811 |
| Base 12 | 10512 | 10712 |
| Base 13 | b613 | b813 |
| Base 14 | a914 | ab14 |
| Base 15 | 9e15 | a115 |
| Base 16 | 9516 | 9716 |