Compare 1213 vs 1291
Property | 1213 | 1291 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 12131 | 12911 |
Prime factorization | 1213 | 1291 |
Divisors count | 2 | 2 |
Divisors | 1, 1213 | 1, 1291 |
Number of properties | 7 | 9 |
Additive primes | 106th | 113th |
Chen primes | 137th | |
Cousin primes (1st member) | 45th | |
Emirps | 52nd | |
Good primes | 49th | |
Harmonic primes | 73rd | |
Isolated primes | 117th | |
Long primes | 80th | |
Lucky primes | 54th | |
Primes | 198th | 210th |
Pythagorean primes | 97th | |
Sexy primes (1st member) | 91st | |
Sexy prime triplets (1st member) | 35th | |
Twin primes (2nd member) | 44th | |
Roman numberals | MCCXIII | MCCXCI |
Base 2 | 100101111012 | 101000010112 |
Base 3 | 11222213 | 12022113 |
Base 4 | 1023314 | 1100234 |
Base 5 | 143235 | 201315 |
Base 6 | 53416 | 55516 |
Base 7 | 33527 | 35237 |
Base 8 | 22758 | 24138 |
Base 9 | 15879 | 16849 |
Base 10 | 121310 | 129110 |
Base 11 | a0311 | a7411 |
Base 12 | 85112 | 8b712 |
Base 13 | 72413 | 78413 |
Base 14 | 62914 | 68314 |
Base 15 | 55d15 | 5b115 |
Base 16 | 4bd16 | 50b16 |