Compare 31139 vs 31379
| Property | 31139 | 31379 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 313791 |
| Prime factorization | 31139 | 31379 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31379 |
| Number of properties | 7 | 8 |
| Additive primes | 1515th | 1529th |
| Chen primes | 1612th | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Harmonic primes | 1260th | |
| Isolated primes | 2394th | 2414th |
| Long primes | 1271st | 1281st |
| Primes | 3353rd | 3381st |
| Restricted right-truncatable primes | 12th | |
| Right-truncatable primes | 50th | |
| Safe primes | 272nd | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111010100100112 |
| Base 3 | 11202010223 | 11210010123 |
| Base 4 | 132122034 | 132221034 |
| Base 5 | 14440245 | 20010045 |
| Base 6 | 4000556 | 4011356 |
| Base 7 | 1565337 | 1603257 |
| Base 8 | 746438 | 752238 |
| Base 9 | 466389 | 470359 |
| Base 10 | 3113910 | 3137910 |
| Base 11 | 2143911 | 2163711 |
| Base 12 | 1602b12 | 161ab12 |
| Base 13 | 1123413 | 1138a13 |
| Base 14 | b4c314 | b61514 |
| Base 15 | 935e15 | 946e15 |
| Base 16 | 79a316 | 7a9316 |