Compare 1223 vs 1225
Property | 1223 | 1225 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 2 |
Total factors | 1 | 4 |
Prime factorization | 12231 | 52 × 72 |
Prime factorization | 1223 | 5 × 5 × 7 × 7 |
Divisors count | 2 | 9 |
Divisors | 1, 1223 | 1, 5, 7, 25, 35, 49, 175, 245, 1225 |
Number of properties | 10 | 0 |
Emirps | 54th | |
Harmonic primes | 70th | |
Isolated primes | 119th | |
Left-truncatable primes | 55th | |
Long primes | 77th | |
Primes | 200th | |
Sexy primes (1st member) | 87th | |
Sexy primes (2nd member) | 86th | |
Sexy prime triplets (2nd member) | 33rd | |
Sophie germain primes | 43rd | |
Roman numberals | MCCXXIII | MCCXXV |
Base 2 | 100110001112 | 100110010012 |
Base 3 | 12000223 | 12001013 |
Base 4 | 1030134 | 1030214 |
Base 5 | 143435 | 144005 |
Base 6 | 53556 | 54016 |
Base 7 | 33657 | 34007 |
Base 8 | 23078 | 23118 |
Base 9 | 16089 | 16119 |
Base 10 | 122310 | 122510 |
Base 11 | a1211 | a1411 |
Base 12 | 85b12 | 86112 |
Base 13 | 73113 | 73313 |
Base 14 | 63514 | 63714 |
Base 15 | 56815 | 56a15 |
Base 16 | 4c716 | 4c916 |