306 (number)

306 is a natural number. It comes after 305 and before 307.

 Mathematics 

 The factors of 306 are: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, and 306.
 306 is the sum of consecutive primes 71+73+79+83.
 306 is the 17th oblong number meaning that it is equal to 17*18.
 The sum of all its divisors (excluding itself) is 396, so 306 is an abundant number.
 306 is a Harshad number, which means it can be evenly divided by the sum of its digits (3 + 0 + 6 = 9, and 306 ÷ 9 = 34).
 306 is the start of an infinite aliquot sequence and follows the same aliquot pattern as 276.
 306 is an untouchable number meaning that it cannot be equal to the sum of proper factors in any number.
 The 5th root of 306 is approximately equal to pi.

 Other fields 

 Martin Luther King Jr. was staying in Room 306 of the Lorraine Motel at the time of his assassination.

Category:Integers