Pentagonal Number
A number that can be shown as a pentagonal pattern of dots.
The first five pentagonal numbers are 1, 5, 12, 22 and 35.
See: Pentagon
- sort
- space
- speed
- speedometer
- sphere
- spheroid
- spiral
- spline
- spring
- spring balance
- square
- square (numbers)
- square centimeter
- square kilometer
- square matrix
- square measure
- square meter
- square millimeter
- square number
- square root
- standard deviation
- standard form
- standard form (numbers)
- standard normal distribution
- standard notation