The Number 561: Properties and MeaningsPrime Factors of 561=3x11x17.
561 is a Triangular Number.
561 is a Hexagonal Number.
561 is a 12-gonal Number.
561 is a 39-gonal Number.
561 is a 188-gonal Number.
561 is a Centered 20-gonal Number.
561 Ingwelde is a minor planet orbiting the Sun.
The Year 561 ADIn the year 561 AD Jnanagupta began translating Buddhist texts into Chinese.
Share any properties and meanings for particular Numbers...contact me directly, thanks.