Compare 139 vs 281
Property | 139 | 281 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 1391 | 2811 |
Prime factorization | 139 | 281 |
Divisors count | 2 | 2 |
Divisors | 1, 139 | 1, 281 |
Number of properties | 6 | 10 |
Additive primes | 19th | 34th |
Centered decagonal primes | 7th | |
Chen primes | 28th | 45th |
Cousin primes (2nd member) | 17th | |
Happy primes | 10th | |
Harmonic primes | 11th | 23rd |
Primes | 34th | 60th |
Prime triplets (2nd member) | 17th | |
Pythagorean primes | 28th | |
Sophie germain primes | 19th | |
Twin primes (1st member) | 19th | |
Twin primes (2nd member) | 11th | |
Roman numberals | CXXXIX | CCLXXXI |
Base 2 | 100010112 | 1000110012 |
Base 3 | 120113 | 1011023 |
Base 4 | 20234 | 101214 |
Base 5 | 10245 | 21115 |
Base 6 | 3516 | 11456 |
Base 7 | 2567 | 5517 |
Base 8 | 2138 | 4318 |
Base 9 | 1649 | 3429 |
Base 10 | 13910 | 28110 |
Base 11 | 11711 | 23611 |
Base 12 | b712 | 1b512 |
Base 13 | a913 | 18813 |
Base 14 | 9d14 | 16114 |
Base 15 | 9415 | 13b15 |
Base 16 | 8b16 | 11916 |