Compare 518981 vs 520193
| Property | 518981 | 520193 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 5189811 | 5201931 |
| Prime factorization | 518981 | 520193 |
| Divisors count | 2 | 2 |
| Divisors | 1, 518981 | 1, 520193 |
| Number of properties | 5 | 5 |
| Chen primes | 17032nd | |
| Happy primes | 6237th | |
| Isolated primes | 33649th | |
| Primes | 42981st | 43074th |
| Proth primes | 182nd | |
| Solinas primes | 141st | |
| Sophie germain primes | 4456th | 4467th |
| Twin primes (1st member) | 4705th | |
| Roman numberals | ||
| Base 2 | 11111101011010001012 | 11111110000000000012 |
| Base 3 | 2221002201123 | 2221021201023 |
| Base 4 | 13322310114 | 13330000014 |
| Base 5 | 1131014115 | 1131212335 |
| Base 6 | 150424056 | 150521456 |
| Base 7 | 42610317 | 42644127 |
| Base 8 | 17655058 | 17700018 |
| Base 9 | 8708159 | 8725129 |
| Base 10 | 51898110 | 52019310 |
| Base 11 | 324a1111 | 32591311 |
| Base 12 | 21040512 | 21105512 |
| Base 13 | 1522b813 | 152a0b13 |
| Base 14 | d71c114 | d780914 |
| Base 15 | a3b8b15 | a41e815 |
| Base 16 | 7eb4516 | 7f00116 |