Compare 31139 vs 31237
| Property | 31139 | 31237 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 312371 |
| Prime factorization | 31139 | 31237 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31237 |
| Number of properties | 7 | 6 |
| Additive primes | 1515th | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Harmonic primes | 1254th | |
| Isolated primes | 2394th | 2403rd |
| Long primes | 1271st | |
| Lucky primes | 523rd | |
| Primes | 3353rd | 3366th |
| Pythagorean primes | 1674th | |
| Safe primes | 272nd | |
| Sexy primes (2nd member) | 984th | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111010000001012 |
| Base 3 | 11202010223 | 11202112213 |
| Base 4 | 132122034 | 132200114 |
| Base 5 | 14440245 | 14444225 |
| Base 6 | 4000556 | 4003416 |
| Base 7 | 1565337 | 1600337 |
| Base 8 | 746438 | 750058 |
| Base 9 | 466389 | 467579 |
| Base 10 | 3113910 | 3123710 |
| Base 11 | 2143911 | 2151811 |
| Base 12 | 1602b12 | 160b112 |
| Base 13 | 1123413 | 112ab13 |
| Base 14 | b4c314 | b55314 |
| Base 15 | 935e15 | 93c715 |
| Base 16 | 79a316 | 7a0516 |