Compare 520013 vs 520021
| Property | 520013 | 520021 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 4 | 1 |
| Prime factorization | 132 × 171 × 1811 | 5200211 |
| Prime factorization | 13 × 13 × 17 × 181 | 520021 |
| Divisors count | 12 | 2 |
| Divisors | 1, 13, 17, 169, 181, 221, 2353, 2873, 3077, 30589, 40001, 520013 | 1, 520021 |
| Number of properties | 0 | 3 |
| Primes | 43063rd | |
| Super primes | 4501st | |
| Twin primes (2nd member) | 4713th | |
| Roman numberals | ||
| Base 2 | 11111101111010011012 | 11111101111010101012 |
| Base 3 | 2221020222023 | 2221021000013 |
| Base 4 | 13323310314 | 13323311114 |
| Base 5 | 1131200235 | 1131200415 |
| Base 6 | 150512456 | 150513016 |
| Base 7 | 42640347 | 42640457 |
| Base 8 | 17675158 | 17675258 |
| Base 9 | 8722829 | 8723019 |
| Base 10 | 52001310 | 52002110 |
| Base 11 | 32576a11 | 32577711 |
| Base 12 | 210b2512 | 210b3112 |
| Base 13 | 15290013 | 15290813 |
| Base 14 | d771b14 | d772514 |
| Base 15 | a412815 | a413115 |
| Base 16 | 7ef4d16 | 7ef5516 |