Compare 13121 vs 15551
| Property | 13121 | 15551 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 131211 | 155511 |
| Prime factorization | 13121 | 15551 |
| Divisors count | 2 | 2 |
| Divisors | 1, 13121 | 1, 15551 |
| Number of properties | 7 | 8 |
| Additive primes | 862nd | |
| Chen primes | 791st | 918th |
| Class 1+ primes | 27th | 28th |
| Harmonic primes | 657th | |
| Isolated primes | 1066th | 1261st |
| Palindromic primes | 35th | |
| Pierpont primes of the 2nd kind | 27th | 28th |
| Primes | 1561st | 1814th |
| Pythagorean primes | 774th | |
| Sexy primes (1st member) | 502nd | |
| Roman numberals | ||
| Base 2 | 110011010000012 | 111100101111112 |
| Base 3 | 1222222223 | 2100222223 |
| Base 4 | 30310014 | 33023334 |
| Base 5 | 4044415 | 4442015 |
| Base 6 | 1404256 | 1555556 |
| Base 7 | 531537 | 632247 |
| Base 8 | 315018 | 362778 |
| Base 9 | 188889 | 232889 |
| Base 10 | 1312110 | 1555110 |
| Base 11 | 994911 | 1075811 |
| Base 12 | 771512 | 8bbb12 |
| Base 13 | 5c8413 | 710313 |
| Base 14 | 4ad314 | 594b14 |
| Base 15 | 3d4b15 | 491b15 |
| Base 16 | 334116 | 3cbf16 |