Compare 31081 vs 31139
| Property | 31081 | 31139 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 310811 | 311391 |
| Prime factorization | 31081 | 31139 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31081 | 1, 31139 |
| Number of properties | 6 | 7 |
| Additive primes | 1514th | 1515th |
| Emirps | 666th | 669th |
| Good primes | 333rd | |
| Isolated primes | 2394th | |
| Long primes | 1271st | |
| Lucky primes | 519th | |
| Primes | 3349th | 3353rd |
| Pythagorean primes | 1667th | |
| Safe primes | 272nd | |
| Twin primes (2nd member) | 479th | |
| Roman numberals | ||
| Base 2 | 1111001011010012 | 1111001101000112 |
| Base 3 | 11201220113 | 11202010223 |
| Base 4 | 132112214 | 132122034 |
| Base 5 | 14433115 | 14440245 |
| Base 6 | 3555216 | 4000556 |
| Base 7 | 1564217 | 1565337 |
| Base 8 | 745518 | 746438 |
| Base 9 | 465649 | 466389 |
| Base 10 | 3108110 | 3113910 |
| Base 11 | 2139611 | 2143911 |
| Base 12 | 15ba112 | 1602b12 |
| Base 13 | 111bb13 | 1123413 |
| Base 14 | b48114 | b4c314 |
| Base 15 | 932115 | 935e15 |
| Base 16 | 796916 | 79a316 |