Compare 31139 vs 31247
| Property | 31139 | 31247 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 311391 | 312471 |
| Prime factorization | 31139 | 31247 |
| Divisors count | 2 | 2 |
| Divisors | 1, 31139 | 1, 31247 |
| Number of properties | 7 | 9 |
| Additive primes | 1515th | 1522nd |
| Chen primes | 1605th | |
| Emirps | 669th | |
| Good primes | 333rd | |
| Happy primes | 555th | |
| Isolated primes | 2394th | |
| Long primes | 1271st | 1277th |
| Primes | 3353rd | 3367th |
| Prime triplets (1st member) | 231st | |
| Safe primes | 272nd | |
| Sexy primes (1st member) | 985th | |
| Sexy prime triplets (1st member) | 252nd | |
| Twin primes (1st member) | 483rd | |
| Roman numberals | ||
| Base 2 | 1111001101000112 | 1111010000011112 |
| Base 3 | 11202010223 | 11202120223 |
| Base 4 | 132122034 | 132200334 |
| Base 5 | 14440245 | 14444425 |
| Base 6 | 4000556 | 4003556 |
| Base 7 | 1565337 | 1600467 |
| Base 8 | 746438 | 750178 |
| Base 9 | 466389 | 467689 |
| Base 10 | 3113910 | 3124710 |
| Base 11 | 2143911 | 2152711 |
| Base 12 | 1602b12 | 160bb12 |
| Base 13 | 1123413 | 112b813 |
| Base 14 | b4c314 | b55d14 |
| Base 15 | 935e15 | 93d215 |
| Base 16 | 79a316 | 7a0f16 |