6 is the only single digit perfect number.
FIVE
Bonnie Tyler
16
Angles on a straight line add up to 180 degrees.
6 is the only single digit perfect number.
By a single straight line only into triangles or quadrilaterals.
They never had a number 1 UK single.
35-1. The true odds of a particular number being spun are 36-1 on European roulette wheels (with only a single zero) and 37-1 on American wheels (with a single zero and a double zero).
K2
Because there is only one number in the "list".
Your single number is your only information of the median value of the population, so the median value is the same as your single number. It is also the mode and mean of your sample.
There are two types of Roulette tables, American and European. In American Roulette there is a zero and a double zero on the table, making your single number straight up bet pay out 35-1. In European Roulette there is only a single zero on the table, making your single number straight up bet pay out 36-1.
One.
1983 Christmas number one.
-3 is the only single number that gives you -3.
If you mean by straight angel an angel of magnitude 180 degrees, then the answer is no. The sum of the three interior triangle angels is 180 and not only a single angel.