Compare 139 vs 151
| Property | 139 | 151 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 1391 | 1511 |
| Prime factorization | 139 | 151 |
| Divisors count | 2 | 2 |
| Divisors | 1, 139 | 1, 151 |
| Number of properties | 6 | 9 |
| Additive primes | 19th | 20th |
| Centered decagonal primes | 5th | |
| Chen primes | 28th | |
| Happy primes | 10th | |
| Harmonic primes | 11th | |
| Lucky primes | 11th | |
| Multiplicative primes | 11th | |
| Palindromic primes | 8th | |
| Primes | 34th | 36th |
| Sexy primes (1st member) | 21st | |
| Sexy prime triplets (1st member) | 12th | |
| Twin primes (2nd member) | 11th | 12th |
| Roman numberals | CXXXIX | CLI |
| Base 2 | 100010112 | 100101112 |
| Base 3 | 120113 | 121213 |
| Base 4 | 20234 | 21134 |
| Base 5 | 10245 | 11015 |
| Base 6 | 3516 | 4116 |
| Base 7 | 2567 | 3047 |
| Base 8 | 2138 | 2278 |
| Base 9 | 1649 | 1779 |
| Base 10 | 13910 | 15110 |
| Base 11 | 11711 | 12811 |
| Base 12 | b712 | 10712 |
| Base 13 | a913 | b813 |
| Base 14 | 9d14 | ab14 |
| Base 15 | 9415 | a115 |
| Base 16 | 8b16 | 9716 |