Compare 1223 vs 1291
Property | 1223 | 1291 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 12231 | 12911 |
Prime factorization | 1223 | 1291 |
Divisors count | 2 | 2 |
Divisors | 1, 1223 | 1, 1291 |
Number of properties | 10 | 9 |
Additive primes | 113th | |
Chen primes | 137th | |
Emirps | 54th | |
Harmonic primes | 70th | 73rd |
Isolated primes | 119th | |
Left-truncatable primes | 55th | |
Long primes | 77th | 80th |
Lucky primes | 54th | |
Primes | 200th | 210th |
Sexy primes (1st member) | 87th | 91st |
Sexy primes (2nd member) | 86th | |
Sexy prime triplets (1st member) | 35th | |
Sexy prime triplets (2nd member) | 33rd | |
Sophie germain primes | 43rd | |
Twin primes (2nd member) | 44th | |
Roman numberals | MCCXXIII | MCCXCI |
Base 2 | 100110001112 | 101000010112 |
Base 3 | 12000223 | 12022113 |
Base 4 | 1030134 | 1100234 |
Base 5 | 143435 | 201315 |
Base 6 | 53556 | 55516 |
Base 7 | 33657 | 35237 |
Base 8 | 23078 | 24138 |
Base 9 | 16089 | 16849 |
Base 10 | 122310 | 129110 |
Base 11 | a1211 | a7411 |
Base 12 | 85b12 | 8b712 |
Base 13 | 73113 | 78413 |
Base 14 | 63514 | 68314 |
Base 15 | 56815 | 5b115 |
Base 16 | 4c716 | 50b16 |