Compare 31139 vs 31231
| Property | 31139 | 31231 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 312311 |
| Prime factorization | 31139 | 31231 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31231 |
| Number of properties | 7 | 4 |
| Additive primes | 1515th | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Isolated primes | 2394th | 2402nd |
| Long primes | 1271st | |
| Lucky primes | 522nd | |
| Primes | 3353rd | 3365th |
| Safe primes | 272nd | |
| Sexy primes (1st member) | 984th | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111001111111112 |
| Base 3 | 11202010223 | 11202112013 |
| Base 4 | 132122034 | 132133334 |
| Base 5 | 14440245 | 14444115 |
| Base 6 | 4000556 | 4003316 |
| Base 7 | 1565337 | 1600247 |
| Base 8 | 746438 | 747778 |
| Base 9 | 466389 | 467519 |
| Base 10 | 3113910 | 3123110 |
| Base 11 | 2143911 | 2151211 |
| Base 12 | 1602b12 | 160a712 |
| Base 13 | 1123413 | 112a513 |
| Base 14 | b4c314 | b54b14 |
| Base 15 | 935e15 | 93c115 |
| Base 16 | 79a316 | 79ff16 |