Compare 1279 vs 1280
Property | 1279 | 1280 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 9 |
Prime factorization | 12791 | 28 × 51 |
Prime factorization | 1279 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 |
Divisors count | 2 | 18 |
Divisors | 1, 1279 | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280 |
Number of properties | 7 | 0 |
Additive primes | 112th | |
Cousin primes (1st member) | 46th | |
Emirps | 60th | |
Primes | 207th | |
Prime triplets (2nd member) | 33rd | |
Solinas primes | 53rd | |
Twin primes (2nd member) | 43rd | |
Roman numberals | MCCLXXIX | MCCLXXX |
Base 2 | 100111111112 | 101000000002 |
Base 3 | 12021013 | 12021023 |
Base 4 | 1033334 | 1100004 |
Base 5 | 201045 | 201105 |
Base 6 | 55316 | 55326 |
Base 7 | 35057 | 35067 |
Base 8 | 23778 | 24008 |
Base 9 | 16719 | 16729 |
Base 10 | 127910 | 128010 |
Base 11 | a6311 | a6411 |
Base 12 | 8a712 | 8a812 |
Base 13 | 77513 | 77613 |
Base 14 | 67514 | 67614 |
Base 15 | 5a415 | 5a515 |
Base 16 | 4ff16 | 50016 |