Compare 1221 vs 1229
Property | 1221 | 1229 |
---|---|---|
Type | composite number | prime |
Unique factors | 3 | 1 |
Total factors | 3 | 1 |
Prime factorization | 31 × 111 × 371 | 12291 |
Prime factorization | 3 × 11 × 37 | 1229 |
Divisors count | 8 | 2 |
Divisors | 1, 3, 11, 33, 37, 111, 407, 1221 | 1, 1229 |
Number of properties | 0 | 9 |
Chen primes | 132nd | |
Emirps | 55th | |
Long primes | 78th | |
Primes | 201st | |
Pythagorean primes | 99th | |
Sexy primes (2nd member) | 87th | |
Sexy prime triplets (3rd member) | 33rd | |
Sophie germain primes | 44th | |
Twin primes (1st member) | 42nd | |
Roman numberals | MCCXXI | MCCXXIX |
Base 2 | 100110001012 | 100110011012 |
Base 3 | 12000203 | 12001123 |
Base 4 | 1030114 | 1030314 |
Base 5 | 143415 | 144045 |
Base 6 | 53536 | 54056 |
Base 7 | 33637 | 34047 |
Base 8 | 23058 | 23158 |
Base 9 | 16069 | 16159 |
Base 10 | 122110 | 122910 |
Base 11 | a1011 | a1811 |
Base 12 | 85912 | 86512 |
Base 13 | 72c13 | 73713 |
Base 14 | 63314 | 63b14 |
Base 15 | 56615 | 56e15 |
Base 16 | 4c516 | 4cd16 |