35×2

35×2 is a simple arithmetic expression representing the product of thirty-five and two. In base-10 notation, its value is seventy.

It can be computed by doubling thirty-five: 35 plus 35 equals 70. This is an example of multiplication by 2, which is equivalent to doubling a quantity.

Prime factorization: 35 equals 5×7, so 35×2 equals 2×5×7, which simplifies to 10×7, giving 70. The operation is commutative: 2×35 equals 35×2.

70 is an even number and has divisors including 1, 2, 5, 7, 10, 14, 35, and 70. Its factorization shows it is divisible by 2, 5, and 7, among others.

Representations in other bases: binary 1000110, hexadecimal 46, and Roman numeral LXX.

In practical terms, doubling 35 is a common operation in everyday arithmetic, used in budgeting, area or quantity calculations, and various unit conversions. It also serves as a straightforward example in teaching the concept of multiplication by 2 and the idea of doubling as a primary arithmetic rule.