Compare 3687 vs 3691
| Property | 3687 | 3691 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 12291 | 36911 |
| Prime factorization | 3 × 1229 | 3691 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 1229, 3687 | 1, 3691 |
| Number of properties | 1 | 6 |
| Additive primes | 267th | |
| Chen primes | 301st | |
| Isolated primes | 320th | |
| Primes | 515th | |
| Semiprimes | 1023rd | |
| Sexy primes (1st member) | 194th | |
| Ulam primes | 42nd | |
| Roman numberals | MMMDCLXXXVII | MMMDCXCI |
| Base 2 | 1110011001112 | 1110011010112 |
| Base 3 | 120011203 | 120012013 |
| Base 4 | 3212134 | 3212234 |
| Base 5 | 1042225 | 1042315 |
| Base 6 | 250236 | 250316 |
| Base 7 | 135157 | 135227 |
| Base 8 | 71478 | 71538 |
| Base 9 | 50469 | 50519 |
| Base 10 | 368710 | 369110 |
| Base 11 | 285211 | 285611 |
| Base 12 | 217312 | 217712 |
| Base 13 | 18a813 | 18ac13 |
| Base 14 | 14b514 | 14b914 |
| Base 15 | 115c15 | 116115 |
| Base 16 | e6716 | e6b16 |