Compare 971 vs 980
| Property | 971 | 980 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 9711 | 22 × 51 × 72 |
| Prime factorization | 971 | 2 × 2 × 5 × 7 × 7 |
| Divisors count | 2 | 18 |
| Divisors | 1, 971 | 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980 |
| Number of properties | 11 | 0 |
| Additive primes | 87th | |
| Chen primes | 112th | |
| Class 1+ primes | 19th | |
| Cousin primes (2nd member) | 41st | |
| Emirps | 34th | |
| Isolated primes | 95th | |
| Long primes | 58th | |
| Pierpont primes of the 2nd kind | 19th | |
| Primes | 164th | |
| Sexy primes (1st member) | 72nd | |
| Sexy prime triplets (1st member) | 28th | |
| Roman numberals | CMLXXI | CMLXXX |
| Base 2 | 11110010112 | 11110101002 |
| Base 3 | 10222223 | 11000223 |
| Base 4 | 330234 | 331104 |
| Base 5 | 123415 | 124105 |
| Base 6 | 42556 | 43126 |
| Base 7 | 25557 | 26007 |
| Base 8 | 17138 | 17248 |
| Base 9 | 12889 | 13089 |
| Base 10 | 97110 | 98010 |
| Base 11 | 80311 | 81111 |
| Base 12 | 68b12 | 69812 |
| Base 13 | 59913 | 5a513 |
| Base 14 | 4d514 | 50014 |
| Base 15 | 44b15 | 45515 |
| Base 16 | 3cb16 | 3d416 |