Compare 31239 vs 31247
| Property | 31239 | 31247 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 33 × 131 × 891 | 312471 |
| Prime factorization | 3 × 3 × 3 × 13 × 89 | 31247 |
| Divisors count | 16 | 2 |
| Divisors | 1, 3, 9, 13, 27, 39, 89, 117, 267, 351, 801, 1157, 2403, 3471, 10413, 31239 | 1, 31247 |
| Number of properties | 0 | 9 |
| Additive primes | 1522nd | |
| Chen primes | 1605th | |
| Happy primes | 555th | |
| Long primes | 1277th | |
| Primes | 3367th | |
| Prime triplets (1st member) | 231st | |
| Sexy primes (1st member) | 985th | |
| Sexy prime triplets (1st member) | 252nd | |
| Twin primes (1st member) | 483rd | |
| Roman numberals | ||
| Base 2 | 1111010000001112 | 1111010000011112 |
| Base 3 | 11202120003 | 11202120223 |
| Base 4 | 132200134 | 132200334 |
| Base 5 | 14444245 | 14444425 |
| Base 6 | 4003436 | 4003556 |
| Base 7 | 1600357 | 1600467 |
| Base 8 | 750078 | 750178 |
| Base 9 | 467609 | 467689 |
| Base 10 | 3123910 | 3124710 |
| Base 11 | 2151a11 | 2152711 |
| Base 12 | 160b312 | 160bb12 |
| Base 13 | 112b013 | 112b813 |
| Base 14 | b55514 | b55d14 |
| Base 15 | 93c915 | 93d215 |
| Base 16 | 7a0716 | 7a0f16 |