2730
13 is prime.
78
mean average = sum of dataset / number of items in dataset = (14 + 18 + 13 + 15) / 4 = 60/4 = 15
Any number not in the 13 times table. E.g 14, 15, 16,... but not 26.
It will not.
number of neutrons = mass number - number of protons = 28 - 13 = 15 neutrons
15 is the highest number 15 can be divided by evenly.
13
13 is spelled as thirteen.14 is spelled as fourteen.Did you mean the number 1314? This would be spelled as one thousand, three hundred and fourteen.
It can not be divided by anything and come out as an evenly. only numbers for example like 0 6 15 21 and 18 if they were divided by three would be able to ccome out evenly.
14, which is the middle number when they are listed in order.
3 and 5 are prime numbers but if you mean 13 14 15 18 then it is 13