Compare 2945 vs 2947
| Property | 2945 | 2947 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 51 × 191 × 311 | 71 × 4211 |
| Prime factorization | 5 × 19 × 31 | 7 × 421 |
| Divisors count | 8 | 4 |
| Divisors | 1, 5, 19, 31, 95, 155, 589, 2945 | 1, 7, 421, 2947 |
| Number of properties | 0 | 1 |
| Semiprimes | 823rd | |
| Roman numberals | MMCMXLV | MMCMXLVII |
| Base 2 | 1011100000012 | 1011100000112 |
| Base 3 | 110010023 | 110010113 |
| Base 4 | 2320014 | 2320034 |
| Base 5 | 432405 | 432425 |
| Base 6 | 213456 | 213516 |
| Base 7 | 114057 | 114107 |
| Base 8 | 56018 | 56038 |
| Base 9 | 40329 | 40349 |
| Base 10 | 294510 | 294710 |
| Base 11 | 223811 | 223a11 |
| Base 12 | 185512 | 185712 |
| Base 13 | 145713 | 145913 |
| Base 14 | 110514 | 110714 |
| Base 15 | d1515 | d1715 |
| Base 16 | b8116 | b8316 |