5 6 In Percentage: The Truth About Decimal-to-percentage Conversion EXPOSED. - Bam Media
Five is the only prime number to end in the digit 5, because all other numbers written with a 5 in the ones-place under the decimal system are multiples of five. Properties of 5: prime decomposition, primality test, divisors, arithmetic properties, and conversion in binary, octal, hexadecimal, etc.