107 (number)
From Halbeeg, the open encyclopedia · Af-Soomaali
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107 is a natural number that lies between 106 and 108. It is a three-digit number in the decimal system, and is an odd number.
The main property of 107 is that it is a prime number, meaning that only 1 and 107 divide it evenly. It is the 28th prime number starting from 2.
Mathematical properties
The sum of the digits of 107 is 1 + 0 + 7 = 8, which is not divisible by three, so 107 is not divisible by three. It also does not end in 0 or 5, so it is not divisible by five. To verify that it is prime, it is sufficient to test divisibility by the prime numbers less than the square root of 107 (approximately 10.3), which are 2, 3, 5, and 7.
107 and 109 are twin primes, since they differ by two. When written in binary notation, 107 becomes 1101011.
General use
107 functions as an identifier in many places: road numbers, house numbers, street numbers, and year designations. Some countries use 107 as an emergency telephone number for a specific service; the service varies from country to country.