Compare 245 vs 256
| Property | 245 | 256 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 2 | 1 |
| Total factors | 3 | 8 |
| Prime factorization | 51 × 72 | 28 |
| Prime factorization | 5 × 7 × 7 | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 |
| Divisors count | 6 | 9 |
| Divisors | 1, 5, 7, 35, 49, 245 | 1, 2, 4, 8, 16, 32, 64, 128, 256 |
| Number of properties | 0 | 0 |
| Roman numberals | CCXLV | CCLVI |
| Base 2 | 111101012 | 1000000002 |
| Base 3 | 1000023 | 1001113 |
| Base 4 | 33114 | 100004 |
| Base 5 | 14405 | 20115 |
| Base 6 | 10456 | 11046 |
| Base 7 | 5007 | 5147 |
| Base 8 | 3658 | 4008 |
| Base 9 | 3029 | 3149 |
| Base 10 | 24510 | 25610 |
| Base 11 | 20311 | 21311 |
| Base 12 | 18512 | 19412 |
| Base 13 | 15b13 | 16913 |
| Base 14 | 13714 | 14414 |
| Base 15 | 11515 | 12115 |
| Base 16 | f516 | 10016 |