Compare 243 vs 245
| Property | 243 | 245 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 1 | 2 |
| Total factors | 5 | 3 |
| Prime factorization | 35 | 51 × 72 |
| Prime factorization | 3 × 3 × 3 × 3 × 3 | 5 × 7 × 7 |
| Divisors count | 6 | 6 |
| Divisors | 1, 3, 9, 27, 81, 243 | 1, 5, 7, 35, 49, 245 |
| Number of properties | 0 | 0 |
| Roman numberals | CCXLIII | CCXLV |
| Base 2 | 111100112 | 111101012 |
| Base 3 | 1000003 | 1000023 |
| Base 4 | 33034 | 33114 |
| Base 5 | 14335 | 14405 |
| Base 6 | 10436 | 10456 |
| Base 7 | 4657 | 5007 |
| Base 8 | 3638 | 3658 |
| Base 9 | 3009 | 3029 |
| Base 10 | 24310 | 24510 |
| Base 11 | 20111 | 20311 |
| Base 12 | 18312 | 18512 |
| Base 13 | 15913 | 15b13 |
| Base 14 | 13514 | 13714 |
| Base 15 | 11315 | 11515 |
| Base 16 | f316 | f516 |