Compare 13923 vs 13931
| Property | 13923 | 13931 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 5 | 1 |
| Prime factorization | 32 × 71 × 131 × 171 | 139311 |
| Prime factorization | 3 × 3 × 7 × 13 × 17 | 13931 |
| Divisors count | 24 | 2 |
| Divisors | 1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 357, 663, 819, 1071, 1547, 1989, 4641, 13923 | 1, 13931 |
| Number of properties | 0 | 8 |
| Additive primes | 789th | |
| Chen primes | 837th | |
| Harmonic primes | 595th | |
| Long primes | 641st | |
| Palindromic primes | 31st | |
| Primes | 1647th | |
| Twin primes (1st member) | 260th | |
| Ulam primes | 122nd | |
| Roman numberals | ||
| Base 2 | 110110011000112 | 110110011010112 |
| Base 3 | 2010022003 | 2010022223 |
| Base 4 | 31212034 | 31212234 |
| Base 5 | 4211435 | 4212115 |
| Base 6 | 1442436 | 1442556 |
| Base 7 | 554107 | 554217 |
| Base 8 | 331438 | 331538 |
| Base 9 | 210809 | 210889 |
| Base 10 | 1392310 | 1393110 |
| Base 11 | a50811 | a51511 |
| Base 12 | 808312 | 808b12 |
| Base 13 | 645013 | 645813 |
| Base 14 | 510714 | 511114 |
| Base 15 | 41d315 | 41db15 |
| Base 16 | 366316 | 366b16 |