Compare 139 vs 144
| Property | 139 | 144 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 2 |
| Total factors | 1 | 6 |
| Prime factorization | 1391 | 24 × 32 |
| Prime factorization | 139 | 2 × 2 × 2 × 2 × 3 × 3 |
| Divisors count | 2 | 15 |
| Divisors | 1, 139 | 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 |
| Number of properties | 6 | 0 |
| Additive primes | 19th | |
| Chen primes | 28th | |
| Happy primes | 10th | |
| Harmonic primes | 11th | |
| Primes | 34th | |
| Twin primes (2nd member) | 11th | |
| Roman numberals | CXXXIX | CXLIV |
| Base 2 | 100010112 | 100100002 |
| Base 3 | 120113 | 121003 |
| Base 4 | 20234 | 21004 |
| Base 5 | 10245 | 10345 |
| Base 6 | 3516 | 4006 |
| Base 7 | 2567 | 2647 |
| Base 8 | 2138 | 2208 |
| Base 9 | 1649 | 1709 |
| Base 10 | 13910 | 14410 |
| Base 11 | 11711 | 12111 |
| Base 12 | b712 | 10012 |
| Base 13 | a913 | b113 |
| Base 14 | 9d14 | a414 |
| Base 15 | 9415 | 9915 |
| Base 16 | 8b16 | 9016 |