Compare 157 vs 281
Property | 157 | 281 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 1571 | 2811 |
Prime factorization | 157 | 281 |
Divisors count | 2 | 2 |
Divisors | 1, 157 | 1, 281 |
Number of properties | 11 | 10 |
Additive primes | 21st | 34th |
Centered decagonal primes | 7th | |
Chen primes | 30th | 45th |
Cousin primes (2nd member) | 17th | |
Emirps | 12th | |
Harmonic primes | 13th | 23rd |
Isolated primes | 14th | |
Primes | 37th | 60th |
Prime triplets (2nd member) | 17th | |
Pythagorean primes | 17th | 28th |
Sexy primes (1st member) | 22nd | |
Sexy primes (2nd member) | 21st | |
Sexy prime triplets (2nd member) | 12th | |
Sophie germain primes | 19th | |
Super primes | 12th | |
Twin primes (1st member) | 19th | |
Roman numberals | CLVII | CCLXXXI |
Base 2 | 100111012 | 1000110012 |
Base 3 | 122113 | 1011023 |
Base 4 | 21314 | 101214 |
Base 5 | 11125 | 21115 |
Base 6 | 4216 | 11456 |
Base 7 | 3137 | 5517 |
Base 8 | 2358 | 4318 |
Base 9 | 1849 | 3429 |
Base 10 | 15710 | 28110 |
Base 11 | 13311 | 23611 |
Base 12 | 11112 | 1b512 |
Base 13 | c113 | 18813 |
Base 14 | b314 | 16114 |
Base 15 | a715 | 13b15 |
Base 16 | 9d16 | 11916 |