Compare 31139 vs 31607
| Property | 31139 | 31607 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 316071 |
| Prime factorization | 31139 | 31607 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31607 |
| Number of properties | 7 | 8 |
| Additive primes | 1515th | 1541st |
| Chen primes | 1623rd | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Harmonic primes | 1269th | |
| Isolated primes | 2394th | 2428th |
| Long primes | 1271st | 1289th |
| Primes | 3353rd | 3401st |
| Safe primes | 272nd | 276th |
| Sexy primes (2nd member) | 995th | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111011011101112 |
| Base 3 | 11202010223 | 11211001223 |
| Base 4 | 132122034 | 132313134 |
| Base 5 | 14440245 | 20024125 |
| Base 6 | 4000556 | 4021556 |
| Base 7 | 1565337 | 1611027 |
| Base 8 | 746438 | 755678 |
| Base 9 | 466389 | 473189 |
| Base 10 | 3113910 | 3160710 |
| Base 11 | 2143911 | 2182411 |
| Base 12 | 1602b12 | 1635b12 |
| Base 13 | 1123413 | 1150413 |
| Base 14 | b4c314 | b73914 |
| Base 15 | 935e15 | 957215 |
| Base 16 | 79a316 | 7b7716 |