306 (number)

306 is the natural number following 305 and preceding 307.

In mathematics

• 306 is an even composite number with three prime factors.
• 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.
• 306 is an untouchable number meaning that it cannot be equal to the sum of proper factors in any number.
• There are 306 triangular numbers with 5 digits.

References