Compare 281 vs 491
Property | 281 | 491 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 2811 | 4911 |
Prime factorization | 281 | 491 |
Divisors count | 2 | 2 |
Divisors | 1, 281 | 1, 491 |
Number of properties | 10 | 7 |
Additive primes | 34th | |
Centered decagonal primes | 7th | |
Chen primes | 45th | 66th |
Cousin primes (2nd member) | 17th | 26th |
Harmonic primes | 23rd | 38th |
Isolated primes | 47th | |
Long primes | 34th | |
Primes | 60th | 94th |
Prime triplets (2nd member) | 17th | |
Pythagorean primes | 28th | |
Sophie germain primes | 19th | 25th |
Twin primes (1st member) | 19th | |
Roman numberals | CCLXXXI | CDXCI |
Base 2 | 1000110012 | 1111010112 |
Base 3 | 1011023 | 2000123 |
Base 4 | 101214 | 132234 |
Base 5 | 21115 | 34315 |
Base 6 | 11456 | 21356 |
Base 7 | 5517 | 13017 |
Base 8 | 4318 | 7538 |
Base 9 | 3429 | 6059 |
Base 10 | 28110 | 49110 |
Base 11 | 23611 | 40711 |
Base 12 | 1b512 | 34b12 |
Base 13 | 18813 | 2ba13 |
Base 14 | 16114 | 27114 |
Base 15 | 13b15 | 22b15 |
Base 16 | 11916 | 1eb16 |