Compare 205021 vs 205031
| Property | 205021 | 205031 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 611 × 33611 | 2050311 |
| Prime factorization | 61 × 3361 | 205031 |
| Divisors count | 4 | 2 |
| Divisors | 1, 61, 3361, 205021 | 1, 205031 |
| Number of properties | 1 | 7 |
| Additive primes | 7413th | |
| Centered decagonal primes | 88th | |
| Chen primes | 7687th | |
| Good primes | 1035th | |
| Primes | 18383rd | |
| Semiprimes | 46339th | |
| Sophie germain primes | 2097th | |
| Twin primes (1st member) | 2205th | |
| Roman numberals | ||
| Base 2 | 1100100000110111012 | 1100100000111001112 |
| Base 3 | 1011020201013 | 1011020202023 |
| Base 4 | 3020031314 | 3020032134 |
| Base 5 | 230300415 | 230301115 |
| Base 6 | 42211016 | 42211156 |
| Base 7 | 15125057 | 15125217 |
| Base 8 | 6203358 | 6203478 |
| Base 9 | 3422119 | 3422229 |
| Base 10 | 20502110 | 20503110 |
| Base 11 | 13004311 | 13005211 |
| Base 12 | 9a79112 | 9a79b12 |
| Base 13 | 7241b13 | 7242813 |
| Base 14 | 54a0514 | 54a1114 |
| Base 15 | 40b3115 | 40b3b15 |
| Base 16 | 320dd16 | 320e716 |