Compare 28742 vs 28751
| Property | 28742 | 28751 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 71 × 20531 | 287511 |
| Prime factorization | 2 × 7 × 2053 | 28751 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 7, 14, 2053, 4106, 14371, 28742 | 1, 28751 |
| Number of properties | 0 | 5 |
| Additive primes | 1430th | |
| Chen primes | 1515th | |
| Primes | 3131st | |
| Sophie germain primes | 431st | |
| Twin primes (1st member) | 458th | |
| Roman numberals | ||
| Base 2 | 1110000010001102 | 1110000010011112 |
| Base 3 | 11101021123 | 11101022123 |
| Base 4 | 130010124 | 130010334 |
| Base 5 | 14044325 | 14100015 |
| Base 6 | 3410226 | 3410356 |
| Base 7 | 1465407 | 1465527 |
| Base 8 | 701068 | 701178 |
| Base 9 | 433759 | 433859 |
| Base 10 | 2874210 | 2875110 |
| Base 11 | 1a65a11 | 1a66811 |
| Base 12 | 1477212 | 1477b12 |
| Base 13 | 1010c13 | 1011813 |
| Base 14 | a69014 | a69914 |
| Base 15 | 87b215 | 87bb15 |
| Base 16 | 704616 | 704f16 |