Compare 31240 vs 31247
| Property | 31240 | 31247 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 51 × 111 × 711 | 312471 |
| Prime factorization | 2 × 2 × 2 × 5 × 11 × 71 | 31247 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240 | 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 | 1111010000010002 | 1111010000011112 |
| Base 3 | 11202120013 | 11202120223 |
| Base 4 | 132200204 | 132200334 |
| Base 5 | 14444305 | 14444425 |
| Base 6 | 4003446 | 4003556 |
| Base 7 | 1600367 | 1600467 |
| Base 8 | 750108 | 750178 |
| Base 9 | 467619 | 467689 |
| Base 10 | 3124010 | 3124710 |
| Base 11 | 2152011 | 2152711 |
| Base 12 | 160b412 | 160bb12 |
| Base 13 | 112b113 | 112b813 |
| Base 14 | b55614 | b55d14 |
| Base 15 | 93ca15 | 93d215 |
| Base 16 | 7a0816 | 7a0f16 |