2×89
2×89 denotes the product of the integers 2 and 89. The calculation yields 178, a simple example of doubling a positive integer.
The number 89 has mathematical and historical interest. It is a Fibonacci number (specifically F11 in the
178 is the product of two primes, namely 2 and 89, which makes it a semiprime. Its
Representations of 178 include several common numeral systems. In decimal it is 178; in binary it is
In summary, 2×89 results in 178, a semiprime formed by doubling a prime Fibonacci number. The value