Compare 4045 vs 4051
| Property | 4045 | 4051 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 8091 | 40511 |
| Prime factorization | 5 × 809 | 4051 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 809, 4045 | 1, 4051 |
| Number of properties | 1 | 4 |
| Long primes | 221st | |
| Primes | 559th | |
| Semiprimes | 1115th | |
| Sexy primes (1st member) | 207th | |
| Twin primes (2nd member) | 106th | |
| Roman numberals | MMMMXLV | MMMMLI |
| Base 2 | 1111110011012 | 1111110100112 |
| Base 3 | 121122113 | 121200013 |
| Base 4 | 3330314 | 3331034 |
| Base 5 | 1121405 | 1122015 |
| Base 6 | 304216 | 304316 |
| Base 7 | 145367 | 145457 |
| Base 8 | 77158 | 77238 |
| Base 9 | 54849 | 55019 |
| Base 10 | 404510 | 405110 |
| Base 11 | 304811 | 305311 |
| Base 12 | 241112 | 241712 |
| Base 13 | 1ac213 | 1ac813 |
| Base 14 | 168d14 | 169514 |
| Base 15 | 12ea15 | 130115 |
| Base 16 | fcd16 | fd316 |